257439312

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1217}}^1$

素因数の和:1357

約数の個数: 120

約数和(自身を含む): 783402984

約数和(自身を除く): 525963672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 113, 117, 144, 156, 208, 226, 234, 312, 339, 452, 468, 624, 678, 904, 936, 1017, 1217, 1356, 1469, 1808, 1872, 2034, 2434, 2712, 2938, 3651, 4068, 4407, 4868, 5424, 5876, 7302, 8136, 8814, 9736, 10953, 11752, 13221, 14604, 15821, 16272, 17628, 19472, 21906, 23504, 26442, 29208, 31642, 35256, 43812, 47463, 52884, 58416, 63284, 70512, 87624, 94926, 105768, 126568, 137521, 142389, 175248, 189852, 211536, 253136, 275042, 284778, 379704, 412563, 550084, 569556, 759408, 825126, 1100168, 1139112, 1237689, 1650252, 1787773, 2200336, 2278224, 2475378, 3300504, 3575546, 4950756, 5363319, 6601008, 7151092, 9901512, 10726638, 14302184, 16089957, 19803024, 21453276, 28604368, 32179914, 42906552, 64359828, 85813104, 128719656, 257439312]

約数ペア:

[(1, 257439312), (2, 128719656), (3, 85813104), (4, 64359828), (6, 42906552), (8, 32179914), (9, 28604368), (12, 21453276), (13, 19803024), (16, 16089957), (18, 14302184), (24, 10726638), (26, 9901512), (36, 7151092), (39, 6601008), (48, 5363319), (52, 4950756), (72, 3575546), (78, 3300504), (104, 2475378), (113, 2278224), (117, 2200336), (144, 1787773), (156, 1650252), (208, 1237689), (226, 1139112), (234, 1100168), (312, 825126), (339, 759408), (452, 569556), (468, 550084), (624, 412563), (678, 379704), (904, 284778), (936, 275042), (1017, 253136), (1217, 211536), (1356, 189852), (1469, 175248), (1808, 142389), (1872, 137521), (2034, 126568), (2434, 105768), (2712, 94926), (2938, 87624), (3651, 70512), (4068, 63284), (4407, 58416), (4868, 52884), (5424, 47463), (5876, 43812), (7302, 35256), (8136, 31642), (8814, 29208), (9736, 26442), (10953, 23504), (11752, 21906), (13221, 19472), (14604, 17628), (15821, 16272)]