8705431

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 10483200

約数和(自身を除く): 1777769

約数列:

[1, 7, 23, 139, 161, 389, 973, 2723, 3197, 8947, 22379, 54071, 62629, 378497, 1243633, 8705431]

約数ペア:

[(1, 8705431), (7, 1243633), (23, 378497), (139, 62629), (161, 54071), (389, 22379), (973, 8947), (2723, 3197)]