688497628

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 1587764640

約数和(自身を除く): 899267012

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 49, 52, 67, 74, 91, 98, 109, 134, 148, 182, 196, 218, 259, 268, 364, 436, 469, 481, 518, 637, 763, 871, 938, 962, 1036, 1274, 1417, 1526, 1742, 1813, 1876, 1924, 2479, 2548, 2834, 3052, 3283, 3367, 3484, 3626, 4033, 4958, 5341, 5668, 6097, 6566, 6734, 7252, 7303, 8066, 9916, 9919, 10682, 12194, 13132, 13468, 14606, 16132, 17353, 19838, 21364, 23569, 24388, 28231, 29212, 32227, 34706, 39676, 42679, 47138, 51121, 52429, 56462, 64454, 69412, 69433, 85358, 94276, 94939, 102242, 104858, 112924, 121471, 128908, 138866, 170716, 189878, 197617, 204484, 209716, 225589, 242942, 270211, 277732, 357847, 367003, 379756, 395234, 451178, 485884, 540422, 664573, 715694, 734006, 790468, 902356, 1080844, 1329146, 1431388, 1468012, 1579123, 1891477, 2569021, 2658292, 3158246, 3512743, 3782954, 4652011, 5138042, 6316492, 7025486, 7565908, 9304022, 10276084, 13240339, 14050972, 18608044, 24589201, 26480678, 49178402, 52961356, 98356804, 172124407, 344248814, 688497628]

約数ペア:

[(1, 688497628), (2, 344248814), (4, 172124407), (7, 98356804), (13, 52961356), (14, 49178402), (26, 26480678), (28, 24589201), (37, 18608044), (49, 14050972), (52, 13240339), (67, 10276084), (74, 9304022), (91, 7565908), (98, 7025486), (109, 6316492), (134, 5138042), (148, 4652011), (182, 3782954), (196, 3512743), (218, 3158246), (259, 2658292), (268, 2569021), (364, 1891477), (436, 1579123), (469, 1468012), (481, 1431388), (518, 1329146), (637, 1080844), (763, 902356), (871, 790468), (938, 734006), (962, 715694), (1036, 664573), (1274, 540422), (1417, 485884), (1526, 451178), (1742, 395234), (1813, 379756), (1876, 367003), (1924, 357847), (2479, 277732), (2548, 270211), (2834, 242942), (3052, 225589), (3283, 209716), (3367, 204484), (3484, 197617), (3626, 189878), (4033, 170716), (4958, 138866), (5341, 128908), (5668, 121471), (6097, 112924), (6566, 104858), (6734, 102242), (7252, 94939), (7303, 94276), (8066, 85358), (9916, 69433), (9919, 69412), (10682, 64454), (12194, 56462), (13132, 52429), (13468, 51121), (14606, 47138), (16132, 42679), (17353, 39676), (19838, 34706), (21364, 32227), (23569, 29212), (24388, 28231)]