248955265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{123551}}^1$

素因数の和:123600

約数の個数: 16

約数和(自身を含む): 332107776

約数和(自身を除く): 83152511

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 123551, 617755, 1606163, 3830081, 8030815, 19150405, 49791053, 248955265]

約数ペア:

[(1, 248955265), (5, 49791053), (13, 19150405), (31, 8030815), (65, 3830081), (155, 1606163), (403, 617755), (2015, 123551)]