7640191

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:402

約数の個数: 16

約数和(自身を含む): 8805888

約数和(自身を除く): 1165697

約数列:

[1, 13, 17, 181, 191, 221, 2353, 2483, 3077, 3247, 34571, 40001, 42211, 449423, 587707, 7640191]

約数ペア:

[(1, 7640191), (13, 587707), (17, 449423), (181, 42211), (191, 40001), (221, 34571), (2353, 3247), (2483, 3077)]