399149188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{308939}}^1$

素因数の和:308979

約数の個数: 24

約数和(自身を含む): 778528800

約数和(自身を除く): 379379612

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 308939, 617878, 1235756, 5251963, 5869841, 10503926, 11739682, 21007852, 23479364, 99787297, 199574594, 399149188]

約数ペア:

[(1, 399149188), (2, 199574594), (4, 99787297), (17, 23479364), (19, 21007852), (34, 11739682), (38, 10503926), (68, 5869841), (76, 5251963), (323, 1235756), (646, 617878), (1292, 308939)]