646313668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 1618477056

約数和(自身を除く): 972163388

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 41, 44, 52, 62, 77, 82, 91, 124, 127, 143, 154, 164, 182, 217, 254, 286, 287, 308, 341, 364, 403, 434, 451, 508, 533, 572, 574, 682, 806, 868, 889, 902, 1001, 1066, 1148, 1271, 1364, 1397, 1612, 1651, 1778, 1804, 2002, 2132, 2387, 2542, 2794, 2821, 3157, 3302, 3556, 3731, 3937, 4004, 4433, 4774, 5084, 5207, 5588, 5642, 5863, 6314, 6604, 7462, 7874, 8866, 8897, 9548, 9779, 10414, 11284, 11557, 11726, 12628, 13981, 14924, 15748, 16523, 17732, 17794, 18161, 19558, 20828, 23114, 23452, 27559, 27962, 31031, 33046, 35588, 36322, 36449, 39116, 41041, 43307, 46228, 51181, 55118, 55924, 57277, 62062, 66092, 67691, 72644, 72898, 82082, 86614, 97867, 102362, 110236, 114554, 115661, 124124, 127127, 135382, 145796, 161417, 164164, 173228, 181753, 195734, 204724, 229108, 231322, 254254, 270764, 303149, 322834, 358267, 363506, 391468, 400939, 462644, 473837, 508508, 562991, 606298, 645668, 716534, 727012, 744601, 801878, 947674, 1125982, 1129919, 1212596, 1272271, 1433068, 1489202, 1603756, 1775587, 1895348, 2098421, 2251964, 2259838, 2544542, 2978404, 3551174, 3940937, 4196842, 4519676, 5089084, 5212207, 7102348, 7881874, 8393684, 10424414, 12429109, 14688947, 15763748, 20848828, 23082631, 24858218, 29377894, 46165262, 49716436, 58755788, 92330524, 161578417, 323156834, 646313668]

約数ペア:

[(1, 646313668), (2, 323156834), (4, 161578417), (7, 92330524), (11, 58755788), (13, 49716436), (14, 46165262), (22, 29377894), (26, 24858218), (28, 23082631), (31, 20848828), (41, 15763748), (44, 14688947), (52, 12429109), (62, 10424414), (77, 8393684), (82, 7881874), (91, 7102348), (124, 5212207), (127, 5089084), (143, 4519676), (154, 4196842), (164, 3940937), (182, 3551174), (217, 2978404), (254, 2544542), (286, 2259838), (287, 2251964), (308, 2098421), (341, 1895348), (364, 1775587), (403, 1603756), (434, 1489202), (451, 1433068), (508, 1272271), (533, 1212596), (572, 1129919), (574, 1125982), (682, 947674), (806, 801878), (868, 744601), (889, 727012), (902, 716534), (1001, 645668), (1066, 606298), (1148, 562991), (1271, 508508), (1364, 473837), (1397, 462644), (1612, 400939), (1651, 391468), (1778, 363506), (1804, 358267), (2002, 322834), (2132, 303149), (2387, 270764), (2542, 254254), (2794, 231322), (2821, 229108), (3157, 204724), (3302, 195734), (3556, 181753), (3731, 173228), (3937, 164164), (4004, 161417), (4433, 145796), (4774, 135382), (5084, 127127), (5207, 124124), (5588, 115661), (5642, 114554), (5863, 110236), (6314, 102362), (6604, 97867), (7462, 86614), (7874, 82082), (8866, 72898), (8897, 72644), (9548, 67691), (9779, 66092), (10414, 62062), (11284, 57277), (11557, 55924), (11726, 55118), (12628, 51181), (13981, 46228), (14924, 43307), (15748, 41041), (16523, 39116), (17732, 36449), (17794, 36322), (18161, 35588), (19558, 33046), (20828, 31031), (23114, 27962), (23452, 27559)]