251138608

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 579962880

約数和(自身を除く): 328824272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 167, 203, 232, 334, 406, 463, 464, 668, 812, 926, 1169, 1336, 1624, 1852, 2338, 2672, 3241, 3248, 3704, 4676, 4843, 6482, 7408, 9352, 9686, 12964, 13427, 18704, 19372, 25928, 26854, 33901, 38744, 51856, 53708, 67802, 77321, 77488, 93989, 107416, 135604, 154642, 187978, 214832, 271208, 309284, 375956, 541247, 542416, 618568, 751912, 1082494, 1237136, 1503824, 2164988, 2242309, 4329976, 4484618, 8659952, 8969236, 15696163, 17938472, 31392326, 35876944, 62784652, 125569304, 251138608]

約数ペア:

[(1, 251138608), (2, 125569304), (4, 62784652), (7, 35876944), (8, 31392326), (14, 17938472), (16, 15696163), (28, 8969236), (29, 8659952), (56, 4484618), (58, 4329976), (112, 2242309), (116, 2164988), (167, 1503824), (203, 1237136), (232, 1082494), (334, 751912), (406, 618568), (463, 542416), (464, 541247), (668, 375956), (812, 309284), (926, 271208), (1169, 214832), (1336, 187978), (1624, 154642), (1852, 135604), (2338, 107416), (2672, 93989), (3241, 77488), (3248, 77321), (3704, 67802), (4676, 53708), (4843, 51856), (6482, 38744), (7408, 33901), (9352, 26854), (9686, 25928), (12964, 19372), (13427, 18704)]