71295380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274213}}^1$

素因数の和:274235

約数の個数: 24

約数和(自身を含む): 161237832

約数和(自身を除く): 89942452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274213, 548426, 1096852, 1371065, 2742130, 3564769, 5484260, 7129538, 14259076, 17823845, 35647690, 71295380]

約数ペア:

[(1, 71295380), (2, 35647690), (4, 17823845), (5, 14259076), (10, 7129538), (13, 5484260), (20, 3564769), (26, 2742130), (52, 1371065), (65, 1096852), (130, 548426), (260, 274213)]