81521528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54493}}^1$

素因数の和:54527

約数の個数: 32

約数和(自身を含む): 176560560

約数和(自身を除く): 95039032

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 54493, 108986, 217972, 435944, 599423, 926381, 1198846, 1852762, 2397692, 3705524, 4795384, 7411048, 10190191, 20380382, 40760764, 81521528]

約数ペア:

[(1, 81521528), (2, 40760764), (4, 20380382), (8, 10190191), (11, 7411048), (17, 4795384), (22, 3705524), (34, 2397692), (44, 1852762), (68, 1198846), (88, 926381), (136, 599423), (187, 435944), (374, 217972), (748, 108986), (1496, 54493)]