397331350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{611279}}^1$

素因数の和:611304

約数の個数: 24

約数和(自身を含む): 795886560

約数和(自身を除く): 398555210

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 611279, 1222558, 3056395, 6112790, 7946627, 15281975, 15893254, 30563950, 39733135, 79466270, 198665675, 397331350]

約数ペア:

[(1, 397331350), (2, 198665675), (5, 79466270), (10, 39733135), (13, 30563950), (25, 15893254), (26, 15281975), (50, 7946627), (65, 6112790), (130, 3056395), (325, 1222558), (650, 611279)]