78417406

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{907}}^1$

素因数の和:1359

約数の個数: 16

約数和(自身を含む): 118984320

約数和(自身を除く): 40566914

約数列:

[1, 2, 139, 278, 311, 622, 907, 1814, 43229, 86458, 126073, 252146, 282077, 564154, 39208703, 78417406]

約数ペア:

[(1, 78417406), (2, 39208703), (139, 564154), (278, 282077), (311, 252146), (622, 126073), (907, 86458), (1814, 43229)]