656156956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 1511903232

約数和(自身を除く): 855746276

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 107, 119, 182, 214, 221, 238, 364, 428, 442, 476, 749, 884, 991, 1391, 1498, 1547, 1819, 1982, 2782, 2996, 3094, 3638, 3964, 5564, 6188, 6937, 7276, 9737, 12733, 12883, 13874, 16847, 19474, 23647, 25466, 25766, 27748, 33694, 38948, 47294, 50932, 51532, 67388, 90181, 94588, 106037, 117929, 165529, 180362, 212074, 219011, 235858, 331058, 360724, 424148, 438022, 471716, 662116, 742259, 876044, 1378481, 1484518, 1533077, 1802629, 2756962, 2969036, 3066154, 3605258, 5513924, 6132308, 7210516, 9649367, 12618403, 19298734, 23434177, 25236806, 38597468, 46868354, 50473612, 93736708, 164039239, 328078478, 656156956]

約数ペア:

[(1, 656156956), (2, 328078478), (4, 164039239), (7, 93736708), (13, 50473612), (14, 46868354), (17, 38597468), (26, 25236806), (28, 23434177), (34, 19298734), (52, 12618403), (68, 9649367), (91, 7210516), (107, 6132308), (119, 5513924), (182, 3605258), (214, 3066154), (221, 2969036), (238, 2756962), (364, 1802629), (428, 1533077), (442, 1484518), (476, 1378481), (749, 876044), (884, 742259), (991, 662116), (1391, 471716), (1498, 438022), (1547, 424148), (1819, 360724), (1982, 331058), (2782, 235858), (2996, 219011), (3094, 212074), (3638, 180362), (3964, 165529), (5564, 117929), (6188, 106037), (6937, 94588), (7276, 90181), (9737, 67388), (12733, 51532), (12883, 50932), (13874, 47294), (16847, 38948), (19474, 33694), (23647, 27748), (25466, 25766)]