61557990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157841}}^1$

素因数の和:157864

約数の個数: 32

約数和(自身を含む): 159104736

約数和(自身を除く): 97546746

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 157841, 315682, 473523, 789205, 947046, 1578410, 2051933, 2367615, 4103866, 4735230, 6155799, 10259665, 12311598, 20519330, 30778995, 61557990]

約数ペア:

[(1, 61557990), (2, 30778995), (3, 20519330), (5, 12311598), (6, 10259665), (10, 6155799), (13, 4735230), (15, 4103866), (26, 2367615), (30, 2051933), (39, 1578410), (65, 947046), (78, 789205), (130, 473523), (195, 315682), (390, 157841)]