31309070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 66479616

約数和(自身を除く): 35170546

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 457, 527, 806, 914, 1054, 1105, 2015, 2210, 2285, 2635, 4030, 4570, 5270, 5941, 6851, 7769, 11882, 13702, 14167, 15538, 28334, 29705, 34255, 38845, 59410, 68510, 70835, 77690, 100997, 141670, 184171, 201994, 240839, 368342, 481678, 504985, 920855, 1009970, 1204195, 1841710, 2408390, 3130907, 6261814, 15654535, 31309070]

約数ペア:

[(1, 31309070), (2, 15654535), (5, 6261814), (10, 3130907), (13, 2408390), (17, 1841710), (26, 1204195), (31, 1009970), (34, 920855), (62, 504985), (65, 481678), (85, 368342), (130, 240839), (155, 201994), (170, 184171), (221, 141670), (310, 100997), (403, 77690), (442, 70835), (457, 68510), (527, 59410), (806, 38845), (914, 34255), (1054, 29705), (1105, 28334), (2015, 15538), (2210, 14167), (2285, 13702), (2635, 11882), (4030, 7769), (4570, 6851), (5270, 5941)]