131275328

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:691

約数の個数: 56

約数和(自身を含む): 271540224

約数和(自身を除く): 140264896

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 521, 992, 1016, 1042, 1984, 2032, 2084, 3937, 4064, 4168, 7874, 8128, 8336, 15748, 16151, 16672, 31496, 32302, 33344, 62992, 64604, 66167, 125984, 129208, 132334, 251968, 258416, 264668, 516832, 529336, 1033664, 1058672, 2051177, 2117344, 4102354, 4234688, 8204708, 16409416, 32818832, 65637664, 131275328]

約数ペア:

[(1, 131275328), (2, 65637664), (4, 32818832), (8, 16409416), (16, 8204708), (31, 4234688), (32, 4102354), (62, 2117344), (64, 2051177), (124, 1058672), (127, 1033664), (248, 529336), (254, 516832), (496, 264668), (508, 258416), (521, 251968), (992, 132334), (1016, 129208), (1042, 125984), (1984, 66167), (2032, 64604), (2084, 62992), (3937, 33344), (4064, 32302), (4168, 31496), (7874, 16672), (8128, 16151), (8336, 15748)]