290403876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3457189}}^1$

素因数の和:3457203

約数の個数: 24

約数和(自身を含む): 774410560

約数和(自身を除く): 484006684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3457189, 6914378, 10371567, 13828756, 20743134, 24200323, 41486268, 48400646, 72600969, 96801292, 145201938, 290403876]

約数ペア:

[(1, 290403876), (2, 145201938), (3, 96801292), (4, 72600969), (6, 48400646), (7, 41486268), (12, 24200323), (14, 20743134), (21, 13828756), (28, 10371567), (42, 6914378), (84, 3457189)]