81591068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42407}}^1$

素因数の和:42461

約数の個数: 24

約数和(自身を含む): 157927392

約数和(自身を除く): 76336324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42407, 84814, 169628, 551291, 1102582, 1569059, 2205164, 3138118, 6276236, 20397767, 40795534, 81591068]

約数ペア:

[(1, 81591068), (2, 40795534), (4, 20397767), (13, 6276236), (26, 3138118), (37, 2205164), (52, 1569059), (74, 1102582), (148, 551291), (481, 169628), (962, 84814), (1924, 42407)]