313638910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{1747}}^1$

素因数の和:3148

約数の個数: 32

約数和(自身を含む): 608765472

約数和(自身を除く): 295126562

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1381, 1747, 2762, 3494, 6905, 8735, 13810, 17470, 17953, 22711, 35906, 45422, 89765, 113555, 179530, 227110, 2412607, 4825214, 12063035, 24126070, 31363891, 62727782, 156819455, 313638910]

約数ペア:

[(1, 313638910), (2, 156819455), (5, 62727782), (10, 31363891), (13, 24126070), (26, 12063035), (65, 4825214), (130, 2412607), (1381, 227110), (1747, 179530), (2762, 113555), (3494, 89765), (6905, 45422), (8735, 35906), (13810, 22711), (17470, 17953)]