3978455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{631}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 5202624

約数和(自身を除く): 1224169

約数列:

[1, 5, 13, 65, 97, 485, 631, 1261, 3155, 6305, 8203, 41015, 61207, 306035, 795691, 3978455]

約数ペア:

[(1, 3978455), (5, 795691), (13, 306035), (65, 61207), (97, 41015), (485, 8203), (631, 6305), (1261, 3155)]