31457166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 70785792

約数和(自身を除く): 39328626

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 83, 86, 113, 129, 166, 226, 249, 258, 339, 498, 559, 678, 1079, 1118, 1469, 1677, 2158, 2938, 3237, 3354, 3569, 4407, 4859, 6474, 7138, 8814, 9379, 9718, 10707, 14577, 18758, 21414, 28137, 29154, 46397, 56274, 63167, 92794, 121927, 126334, 139191, 189501, 243854, 278382, 365781, 379002, 403297, 731562, 806594, 1209891, 2419782, 5242861, 10485722, 15728583, 31457166]

約数ペア:

[(1, 31457166), (2, 15728583), (3, 10485722), (6, 5242861), (13, 2419782), (26, 1209891), (39, 806594), (43, 731562), (78, 403297), (83, 379002), (86, 365781), (113, 278382), (129, 243854), (166, 189501), (226, 139191), (249, 126334), (258, 121927), (339, 92794), (498, 63167), (559, 56274), (678, 46397), (1079, 29154), (1118, 28137), (1469, 21414), (1677, 18758), (2158, 14577), (2938, 10707), (3237, 9718), (3354, 9379), (3569, 8814), (4407, 7138), (4859, 6474)]