31401224

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 63367920

約数和(自身を除く): 31966696

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 131, 152, 166, 262, 332, 361, 524, 664, 722, 1048, 1444, 1577, 2489, 2888, 3154, 4978, 6308, 9956, 10873, 12616, 19912, 21746, 29963, 43492, 47291, 59926, 86984, 94582, 119852, 189164, 206587, 239704, 378328, 413174, 826348, 1652696, 3925153, 7850306, 15700612, 31401224]

約数ペア:

[(1, 31401224), (2, 15700612), (4, 7850306), (8, 3925153), (19, 1652696), (38, 826348), (76, 413174), (83, 378328), (131, 239704), (152, 206587), (166, 189164), (262, 119852), (332, 94582), (361, 86984), (524, 59926), (664, 47291), (722, 43492), (1048, 29963), (1444, 21746), (1577, 19912), (2489, 12616), (2888, 10873), (3154, 9956), (4978, 6308)]