81575318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{4409}}^1$

素因数の和:4480

約数の個数: 24

約数和(自身を含む): 138279960

約数和(自身を除く): 56704642

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 841, 1682, 4409, 8818, 9251, 18502, 48499, 96998, 127861, 255722, 1406471, 2812942, 3707969, 7415938, 40787659, 81575318]

約数ペア:

[(1, 81575318), (2, 40787659), (11, 7415938), (22, 3707969), (29, 2812942), (58, 1406471), (319, 255722), (638, 127861), (841, 96998), (1682, 48499), (4409, 18502), (8818, 9251)]