639774501

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{39839}}^1$

素因数の和:39996

約数の個数: 16

約数和(自身を含む): 877754880

約数和(自身を除く): 237980379

約数列:

[1, 3, 53, 101, 159, 303, 5353, 16059, 39839, 119517, 2111467, 4023739, 6334401, 12071217, 213258167, 639774501]

約数ペア:

[(1, 639774501), (3, 213258167), (53, 12071217), (101, 6334401), (159, 4023739), (303, 2111467), (5353, 119517), (16059, 39839)]