15973540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4271}}^1$

素因数の和:4308

約数の個数: 48

約数和(自身を含む): 38755584

約数和(自身を除く): 22782044

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 4271, 8542, 17084, 21355, 42710, 46981, 72607, 85420, 93962, 145214, 187924, 234905, 290428, 363035, 469810, 726070, 798677, 939620, 1452140, 1597354, 3194708, 3993385, 7986770, 15973540]

約数ペア:

[(1, 15973540), (2, 7986770), (4, 3993385), (5, 3194708), (10, 1597354), (11, 1452140), (17, 939620), (20, 798677), (22, 726070), (34, 469810), (44, 363035), (55, 290428), (68, 234905), (85, 187924), (110, 145214), (170, 93962), (187, 85420), (220, 72607), (340, 46981), (374, 42710), (748, 21355), (935, 17084), (1870, 8542), (3740, 4271)]