31183810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 66781440

約数和(自身を除く): 35597630

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 67, 70, 109, 122, 134, 218, 305, 335, 427, 469, 545, 610, 670, 763, 854, 938, 1090, 1526, 2135, 2345, 3815, 4087, 4270, 4690, 6649, 7303, 7630, 8174, 13298, 14606, 20435, 28609, 33245, 36515, 40870, 46543, 51121, 57218, 66490, 73030, 93086, 102242, 143045, 232715, 255605, 286090, 445483, 465430, 511210, 890966, 2227415, 3118381, 4454830, 6236762, 15591905, 31183810]

約数ペア:

[(1, 31183810), (2, 15591905), (5, 6236762), (7, 4454830), (10, 3118381), (14, 2227415), (35, 890966), (61, 511210), (67, 465430), (70, 445483), (109, 286090), (122, 255605), (134, 232715), (218, 143045), (305, 102242), (335, 93086), (427, 73030), (469, 66490), (545, 57218), (610, 51121), (670, 46543), (763, 40870), (854, 36515), (938, 33245), (1090, 28609), (1526, 20435), (2135, 14606), (2345, 13298), (3815, 8174), (4087, 7630), (4270, 7303), (4690, 6649)]