257431036009

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1\times {\mathrm{218419}}^1$

素因数の和:219792

約数の個数: 16

約数和(自身を含む): 296596886400

約数和(自身を除く): 39165850391

約数列:

[1, 7, 137, 959, 1229, 8603, 168373, 218419, 1178611, 1528933, 29923403, 209463821, 268436951, 1879058657, 36775862287, 257431036009]

約数ペア:

[(1, 257431036009), (7, 36775862287), (137, 1879058657), (959, 268436951), (1229, 209463821), (8603, 29923403), (168373, 1528933), (218419, 1178611)]