31303258

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 57312360

約数和(自身を除く): 26009102

約数列:

[1, 2, 7, 14, 37, 49, 74, 89, 97, 98, 178, 194, 259, 518, 623, 679, 1246, 1358, 1813, 3293, 3589, 3626, 4361, 4753, 6586, 7178, 8633, 8722, 9506, 17266, 23051, 25123, 46102, 50246, 60431, 120862, 161357, 175861, 319421, 322714, 351722, 423017, 638842, 846034, 2235947, 4471894, 15651629, 31303258]

約数ペア:

[(1, 31303258), (2, 15651629), (7, 4471894), (14, 2235947), (37, 846034), (49, 638842), (74, 423017), (89, 351722), (97, 322714), (98, 319421), (178, 175861), (194, 161357), (259, 120862), (518, 60431), (623, 50246), (679, 46102), (1246, 25123), (1358, 23051), (1813, 17266), (3293, 9506), (3589, 8722), (3626, 8633), (4361, 7178), (4753, 6586)]