1405518238

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{5261}}^1$

素因数の和:5464

約数の個数: 24

約数和(自身を含む): 2194569720

約数和(自身を除く): 789051482

約数列:

[1, 2, 31, 62, 139, 278, 961, 1922, 4309, 5261, 8618, 10522, 133579, 163091, 267158, 326182, 731279, 1462558, 5055821, 10111642, 22669649, 45339298, 702759119, 1405518238]

約数ペア:

[(1, 1405518238), (2, 702759119), (31, 45339298), (62, 22669649), (139, 10111642), (278, 5055821), (961, 1462558), (1922, 731279), (4309, 326182), (5261, 267158), (8618, 163091), (10522, 133579)]