407495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 16

約数和(自身を含む): 552960

約数和(自身を除く): 145465

約数列:

[1, 5, 11, 31, 55, 155, 239, 341, 1195, 1705, 2629, 7409, 13145, 37045, 81499, 407495]

約数ペア:

[(1, 407495), (5, 81499), (11, 37045), (31, 13145), (55, 7409), (155, 2629), (239, 1705), (341, 1195)]