399982798

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{50287}}^1$

素因数の和:50427

約数の個数: 16

約数和(自身を含む): 620956224

約数和(自身を除く): 220973426

約数列:

[1, 2, 41, 82, 97, 194, 3977, 7954, 50287, 100574, 2061767, 4123534, 4877839, 9755678, 199991399, 399982798]

約数ペア:

[(1, 399982798), (2, 199991399), (41, 9755678), (82, 4877839), (97, 4123534), (194, 2061767), (3977, 100574), (7954, 50287)]