401420978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{2539}}^1$

素因数の和:3062

約数の個数: 32

約数和(自身を含む): 719815680

約数和(自身を除く): 318394702

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 491, 982, 2539, 3437, 5078, 6874, 11293, 17773, 22586, 35546, 58397, 79051, 116794, 158102, 408779, 817558, 1246649, 2493298, 8726543, 17453086, 28672927, 57345854, 200710489, 401420978]

約数ペア:

[(1, 401420978), (2, 200710489), (7, 57345854), (14, 28672927), (23, 17453086), (46, 8726543), (161, 2493298), (322, 1246649), (491, 817558), (982, 408779), (2539, 158102), (3437, 116794), (5078, 79051), (6874, 58397), (11293, 35546), (17773, 22586)]