645183484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{76771}}^1$

素因数の和:76977

約数の個数: 24

約数和(自身を含む): 1238178816

約数和(自身を除く): 592995332

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 4202, 8404, 76771, 153542, 307084, 844481, 1688962, 3377924, 14663261, 29326522, 58653044, 161295871, 322591742, 645183484]

約数ペア:

[(1, 645183484), (2, 322591742), (4, 161295871), (11, 58653044), (22, 29326522), (44, 14663261), (191, 3377924), (382, 1688962), (764, 844481), (2101, 307084), (4202, 153542), (8404, 76771)]