631266454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{881}}^1$

素因数の和:1061

約数の個数: 64

約数和(自身を含む): 1213857792

約数和(自身を除く): 582591338

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 127, 182, 217, 254, 403, 434, 806, 881, 889, 1651, 1762, 1778, 2821, 3302, 3937, 5642, 6167, 7874, 11453, 11557, 12334, 22906, 23114, 27311, 27559, 51181, 54622, 55118, 80171, 102362, 111887, 160342, 191177, 223774, 355043, 358267, 382354, 710086, 716534, 783209, 1454531, 1566418, 2485301, 2909062, 3468497, 4970602, 6936994, 10181717, 20363434, 24279479, 45090461, 48558958, 90180922, 315633227, 631266454]

約数ペア:

[(1, 631266454), (2, 315633227), (7, 90180922), (13, 48558958), (14, 45090461), (26, 24279479), (31, 20363434), (62, 10181717), (91, 6936994), (127, 4970602), (182, 3468497), (217, 2909062), (254, 2485301), (403, 1566418), (434, 1454531), (806, 783209), (881, 716534), (889, 710086), (1651, 382354), (1762, 358267), (1778, 355043), (2821, 223774), (3302, 191177), (3937, 160342), (5642, 111887), (6167, 102362), (7874, 80171), (11453, 55118), (11557, 54622), (12334, 51181), (22906, 27559), (23114, 27311)]