66691850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 135634176

約数和(自身を除く): 68942326

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 155, 170, 310, 425, 527, 775, 850, 1054, 1550, 2531, 2635, 5062, 5270, 12655, 13175, 25310, 26350, 43027, 63275, 78461, 86054, 126550, 156922, 215135, 392305, 430270, 784610, 1075675, 1333837, 1961525, 2151350, 2667674, 3923050, 6669185, 13338370, 33345925, 66691850]

約数ペア:

[(1, 66691850), (2, 33345925), (5, 13338370), (10, 6669185), (17, 3923050), (25, 2667674), (31, 2151350), (34, 1961525), (50, 1333837), (62, 1075675), (85, 784610), (155, 430270), (170, 392305), (310, 215135), (425, 156922), (527, 126550), (775, 86054), (850, 78461), (1054, 63275), (1550, 43027), (2531, 26350), (2635, 25310), (5062, 13175), (5270, 12655)]