81131956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{3251}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 150788736

約数和(自身を除く): 69656780

約数列:

[1, 2, 4, 17, 34, 68, 367, 734, 1468, 3251, 6239, 6502, 12478, 13004, 24956, 55267, 110534, 221068, 1193117, 2386234, 4772468, 20282989, 40565978, 81131956]

約数ペア:

[(1, 81131956), (2, 40565978), (4, 20282989), (17, 4772468), (34, 2386234), (68, 1193117), (367, 221068), (734, 110534), (1468, 55267), (3251, 24956), (6239, 13004), (6502, 12478)]