39891265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15192

約数の個数: 16

約数和(自身を含む): 52323840

約数和(自身を除く): 12432575

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 15139, 75695, 257363, 469309, 1286815, 2346545, 7978253, 39891265]

約数ペア:

[(1, 39891265), (5, 7978253), (17, 2346545), (31, 1286815), (85, 469309), (155, 257363), (527, 75695), (2635, 15139)]