291032588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 703567872

約数和(自身を除く): 412535284

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 31, 34, 44, 62, 68, 77, 119, 121, 124, 154, 163, 187, 217, 238, 242, 308, 326, 341, 374, 434, 476, 484, 527, 652, 682, 748, 847, 868, 1054, 1141, 1309, 1364, 1694, 1793, 2057, 2108, 2282, 2387, 2618, 2771, 3388, 3586, 3689, 3751, 4114, 4564, 4774, 5053, 5236, 5542, 5797, 7172, 7378, 7502, 8228, 9548, 10106, 11084, 11594, 12551, 14399, 14756, 15004, 19397, 19723, 20212, 23188, 25102, 26257, 28798, 30481, 35371, 38794, 39446, 40579, 50204, 52514, 55583, 57596, 60962, 63767, 70742, 77588, 78892, 81158, 85901, 105028, 111166, 121924, 127534, 138061, 141484, 162316, 171802, 213367, 222332, 255068, 276122, 335291, 343604, 389081, 426734, 446369, 552244, 601307, 611413, 670582, 778162, 853468, 892738, 944911, 1202614, 1222826, 1341164, 1556324, 1785476, 1889822, 2347037, 2405228, 2445652, 3779644, 4279891, 4694074, 6614377, 8559782, 9388148, 10394021, 13228754, 17119564, 20788042, 26457508, 41576084, 72758147, 145516294, 291032588]

約数ペア:

[(1, 291032588), (2, 145516294), (4, 72758147), (7, 41576084), (11, 26457508), (14, 20788042), (17, 17119564), (22, 13228754), (28, 10394021), (31, 9388148), (34, 8559782), (44, 6614377), (62, 4694074), (68, 4279891), (77, 3779644), (119, 2445652), (121, 2405228), (124, 2347037), (154, 1889822), (163, 1785476), (187, 1556324), (217, 1341164), (238, 1222826), (242, 1202614), (308, 944911), (326, 892738), (341, 853468), (374, 778162), (434, 670582), (476, 611413), (484, 601307), (527, 552244), (652, 446369), (682, 426734), (748, 389081), (847, 343604), (868, 335291), (1054, 276122), (1141, 255068), (1309, 222332), (1364, 213367), (1694, 171802), (1793, 162316), (2057, 141484), (2108, 138061), (2282, 127534), (2387, 121924), (2618, 111166), (2771, 105028), (3388, 85901), (3586, 81158), (3689, 78892), (3751, 77588), (4114, 70742), (4564, 63767), (4774, 60962), (5053, 57596), (5236, 55583), (5542, 52514), (5797, 50204), (7172, 40579), (7378, 39446), (7502, 38794), (8228, 35371), (9548, 30481), (10106, 28798), (11084, 26257), (11594, 25102), (12551, 23188), (14399, 20212), (14756, 19723), (15004, 19397)]