668868475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{4007}}^1$

素因数の和:4635

約数の個数: 24

約数和(自身を含む): 906513408

約数和(自身を除く): 237644933

約数列:

[1, 5, 11, 25, 55, 275, 607, 3035, 4007, 6677, 15175, 20035, 33385, 44077, 100175, 166925, 220385, 1101925, 2432249, 12161245, 26754739, 60806225, 133773695, 668868475]

約数ペア:

[(1, 668868475), (5, 133773695), (11, 60806225), (25, 26754739), (55, 12161245), (275, 2432249), (607, 1101925), (3035, 220385), (4007, 166925), (6677, 100175), (15175, 44077), (20035, 33385)]