131031352

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{661}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 250236000

約数和(自身を除く): 119204648

約数列:

[1, 2, 4, 8, 71, 142, 284, 349, 568, 661, 698, 1322, 1396, 2644, 2792, 5288, 24779, 46931, 49558, 93862, 99116, 187724, 198232, 230689, 375448, 461378, 922756, 1845512, 16378919, 32757838, 65515676, 131031352]

約数ペア:

[(1, 131031352), (2, 65515676), (4, 32757838), (8, 16378919), (71, 1845512), (142, 922756), (284, 461378), (349, 375448), (568, 230689), (661, 198232), (698, 187724), (1322, 99116), (1396, 93862), (2644, 49558), (2792, 46931), (5288, 24779)]