31199399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 9774937

約数列:

[1, 7, 11, 37, 47, 77, 233, 259, 329, 407, 517, 1631, 1739, 2563, 2849, 3619, 8621, 10951, 12173, 17941, 19129, 60347, 76657, 94831, 120461, 133903, 405187, 663817, 843227, 2836309, 4457057, 31199399]

約数ペア:

[(1, 31199399), (7, 4457057), (11, 2836309), (37, 843227), (47, 663817), (77, 405187), (233, 133903), (259, 120461), (329, 94831), (407, 76657), (517, 60347), (1631, 19129), (1739, 17941), (2563, 12173), (2849, 10951), (3619, 8621)]