123987974

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 209129472

約数和(自身を除く): 85141498

約数列:

[1, 2, 11, 22, 47, 94, 121, 242, 517, 991, 1034, 1331, 1982, 2662, 5687, 10901, 11374, 21802, 46577, 62557, 93154, 119911, 125114, 239822, 512347, 1024694, 1319021, 2638042, 5635817, 11271634, 61993987, 123987974]

約数ペア:

[(1, 123987974), (2, 61993987), (11, 11271634), (22, 5635817), (47, 2638042), (94, 1319021), (121, 1024694), (242, 512347), (517, 239822), (991, 125114), (1034, 119911), (1331, 93154), (1982, 62557), (2662, 46577), (5687, 21802), (10901, 11374)]