405442182730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{239906617}}^1$

素因数の和:239906650

約数の個数: 24

約数和(自身を含む): 790252399692

約数和(自身を除く): 384810216962

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 239906617, 479813234, 1199533085, 2399066170, 3118786021, 6237572042, 15593930105, 31187860210, 40544218273, 81088436546, 202721091365, 405442182730]

約数ペア:

[(1, 405442182730), (2, 202721091365), (5, 81088436546), (10, 40544218273), (13, 31187860210), (26, 15593930105), (65, 6237572042), (130, 3118786021), (169, 2399066170), (338, 1199533085), (845, 479813234), (1690, 239906617)]