51811256

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 114670080

約数和(自身を除く): 62858824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 83, 142, 157, 166, 284, 314, 332, 497, 568, 581, 628, 664, 994, 1099, 1162, 1256, 1988, 2198, 2324, 3976, 4396, 4648, 5893, 8792, 11147, 11786, 13031, 22294, 23572, 26062, 41251, 44588, 47144, 52124, 78029, 82502, 89176, 91217, 104248, 156058, 165004, 182434, 312116, 330008, 364868, 624232, 729736, 925201, 1850402, 3700804, 6476407, 7401608, 12952814, 25905628, 51811256]

約数ペア:

[(1, 51811256), (2, 25905628), (4, 12952814), (7, 7401608), (8, 6476407), (14, 3700804), (28, 1850402), (56, 925201), (71, 729736), (83, 624232), (142, 364868), (157, 330008), (166, 312116), (284, 182434), (314, 165004), (332, 156058), (497, 104248), (568, 91217), (581, 89176), (628, 82502), (664, 78029), (994, 52124), (1099, 47144), (1162, 44588), (1256, 41251), (1988, 26062), (2198, 23572), (2324, 22294), (3976, 13031), (4396, 11786), (4648, 11147), (5893, 8792)]