156928510

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{1031}}^1$

素因数の和:1560

約数の個数: 32

約数和(自身を含む): 292460544

約数和(自身を除く): 135532034

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 491, 982, 1031, 2062, 2455, 4910, 5155, 10310, 15221, 30442, 31961, 63922, 76105, 152210, 159805, 319610, 506221, 1012442, 2531105, 5062210, 15692851, 31385702, 78464255, 156928510]

約数ペア:

[(1, 156928510), (2, 78464255), (5, 31385702), (10, 15692851), (31, 5062210), (62, 2531105), (155, 1012442), (310, 506221), (491, 319610), (982, 159805), (1031, 152210), (2062, 76105), (2455, 63922), (4910, 31961), (5155, 30442), (10310, 15221)]