71666732

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{821}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 127278480

約数和(自身を除く): 55611748

約数列:

[1, 2, 4, 139, 157, 278, 314, 556, 628, 821, 1642, 3284, 21823, 43646, 87292, 114119, 128897, 228238, 257794, 456476, 515588, 17916683, 35833366, 71666732]

約数ペア:

[(1, 71666732), (2, 35833366), (4, 17916683), (139, 515588), (157, 456476), (278, 257794), (314, 228238), (556, 128897), (628, 114119), (821, 87292), (1642, 43646), (3284, 21823)]