407463472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1958959}}^1$

素因数の和:1958980

約数の個数: 20

約数和(自身を含む): 850188640

約数和(自身を除く): 442725168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1958959, 3917918, 7835836, 15671672, 25466467, 31343344, 50932934, 101865868, 203731736, 407463472]

約数ペア:

[(1, 407463472), (2, 203731736), (4, 101865868), (8, 50932934), (13, 31343344), (16, 25466467), (26, 15671672), (52, 7835836), (104, 3917918), (208, 1958959)]