31145807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 41664000

約数和(自身を除く): 10518193

約数列:

[1, 7, 11, 19, 61, 77, 133, 209, 349, 427, 671, 1159, 1463, 2443, 3839, 4697, 6631, 8113, 12749, 21289, 26873, 46417, 72941, 89243, 149023, 234179, 404491, 510587, 1639253, 2831437, 4449401, 31145807]

約数ペア:

[(1, 31145807), (7, 4449401), (11, 2831437), (19, 1639253), (61, 510587), (77, 404491), (133, 234179), (209, 149023), (349, 89243), (427, 72941), (671, 46417), (1159, 26873), (1463, 21289), (2443, 12749), (3839, 8113), (4697, 6631)]