616778864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{1723}}^1$

素因数の和:3465

約数の個数: 40

約数和(自身を含む): 1288427952

約数和(自身を除く): 671649088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1721, 1723, 3442, 3446, 6884, 6892, 13768, 13784, 22373, 22399, 27536, 27568, 44746, 44798, 89492, 89596, 178984, 179192, 357968, 358384, 2965283, 5930566, 11861132, 23722264, 38548679, 47444528, 77097358, 154194716, 308389432, 616778864]

約数ペア:

[(1, 616778864), (2, 308389432), (4, 154194716), (8, 77097358), (13, 47444528), (16, 38548679), (26, 23722264), (52, 11861132), (104, 5930566), (208, 2965283), (1721, 358384), (1723, 357968), (3442, 179192), (3446, 178984), (6884, 89596), (6892, 89492), (13768, 44798), (13784, 44746), (22373, 27568), (22399, 27536)]