251657328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 731453184

約数和(自身を除く): 479795856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 83, 86, 104, 113, 129, 156, 166, 172, 208, 226, 249, 258, 312, 332, 339, 344, 452, 498, 516, 559, 624, 664, 678, 688, 904, 996, 1032, 1079, 1118, 1328, 1356, 1469, 1677, 1808, 1992, 2064, 2158, 2236, 2712, 2938, 3237, 3354, 3569, 3984, 4316, 4407, 4472, 4859, 5424, 5876, 6474, 6708, 7138, 8632, 8814, 8944, 9379, 9718, 10707, 11752, 12948, 13416, 14276, 14577, 17264, 17628, 18758, 19436, 21414, 23504, 25896, 26832, 28137, 28552, 29154, 35256, 37516, 38872, 42828, 46397, 51792, 56274, 57104, 58308, 63167, 70512, 75032, 77744, 85656, 92794, 112548, 116616, 121927, 126334, 139191, 150064, 171312, 185588, 189501, 225096, 233232, 243854, 252668, 278382, 365781, 371176, 379002, 403297, 450192, 487708, 505336, 556764, 731562, 742352, 758004, 806594, 975416, 1010672, 1113528, 1209891, 1463124, 1516008, 1613188, 1950832, 2227056, 2419782, 2926248, 3032016, 3226376, 4839564, 5242861, 5852496, 6452752, 9679128, 10485722, 15728583, 19358256, 20971444, 31457166, 41942888, 62914332, 83885776, 125828664, 251657328]

約数ペア:

[(1, 251657328), (2, 125828664), (3, 83885776), (4, 62914332), (6, 41942888), (8, 31457166), (12, 20971444), (13, 19358256), (16, 15728583), (24, 10485722), (26, 9679128), (39, 6452752), (43, 5852496), (48, 5242861), (52, 4839564), (78, 3226376), (83, 3032016), (86, 2926248), (104, 2419782), (113, 2227056), (129, 1950832), (156, 1613188), (166, 1516008), (172, 1463124), (208, 1209891), (226, 1113528), (249, 1010672), (258, 975416), (312, 806594), (332, 758004), (339, 742352), (344, 731562), (452, 556764), (498, 505336), (516, 487708), (559, 450192), (624, 403297), (664, 379002), (678, 371176), (688, 365781), (904, 278382), (996, 252668), (1032, 243854), (1079, 233232), (1118, 225096), (1328, 189501), (1356, 185588), (1469, 171312), (1677, 150064), (1808, 139191), (1992, 126334), (2064, 121927), (2158, 116616), (2236, 112548), (2712, 92794), (2938, 85656), (3237, 77744), (3354, 75032), (3569, 70512), (3984, 63167), (4316, 58308), (4407, 57104), (4472, 56274), (4859, 51792), (5424, 46397), (5876, 42828), (6474, 38872), (6708, 37516), (7138, 35256), (8632, 29154), (8814, 28552), (8944, 28137), (9379, 26832), (9718, 25896), (10707, 23504), (11752, 21414), (12948, 19436), (13416, 18758), (14276, 17628), (14577, 17264)]