251528056

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1259}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 542959200

約数和(自身を除く): 291431144

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 113, 136, 221, 226, 442, 452, 884, 904, 1259, 1469, 1768, 1921, 2518, 2938, 3842, 5036, 5876, 7684, 10072, 11752, 15368, 16367, 21403, 24973, 32734, 42806, 49946, 65468, 85612, 99892, 130936, 142267, 171224, 199784, 278239, 284534, 556478, 569068, 1112956, 1138136, 1849471, 2225912, 2418539, 3698942, 4837078, 7397884, 9674156, 14795768, 19348312, 31441007, 62882014, 125764028, 251528056]

約数ペア:

[(1, 251528056), (2, 125764028), (4, 62882014), (8, 31441007), (13, 19348312), (17, 14795768), (26, 9674156), (34, 7397884), (52, 4837078), (68, 3698942), (104, 2418539), (113, 2225912), (136, 1849471), (221, 1138136), (226, 1112956), (442, 569068), (452, 556478), (884, 284534), (904, 278239), (1259, 199784), (1469, 171224), (1768, 142267), (1921, 130936), (2518, 99892), (2938, 85612), (3842, 65468), (5036, 49946), (5876, 42806), (7684, 32734), (10072, 24973), (11752, 21403), (15368, 16367)]