86978450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{133813}}^1$

素因数の和:133838

約数の個数: 24

約数和(自身を含む): 174225828

約数和(自身を除く): 87247378

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 133813, 267626, 669065, 1338130, 1739569, 3345325, 3479138, 6690650, 8697845, 17395690, 43489225, 86978450]

約数ペア:

[(1, 86978450), (2, 43489225), (5, 17395690), (10, 8697845), (13, 6690650), (25, 3479138), (26, 3345325), (50, 1739569), (65, 1338130), (130, 669065), (325, 267626), (650, 133813)]