217343410

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{661}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 396373824

約数和(自身を除く): 179030414

約数列:

[1, 2, 5, 10, 131, 251, 262, 502, 655, 661, 1255, 1310, 1322, 2510, 3305, 6610, 32881, 65762, 86591, 164405, 165911, 173182, 328810, 331822, 432955, 829555, 865910, 1659110, 21734341, 43468682, 108671705, 217343410]

約数ペア:

[(1, 217343410), (2, 108671705), (5, 43468682), (10, 21734341), (131, 1659110), (251, 865910), (262, 829555), (502, 432955), (655, 331822), (661, 328810), (1255, 173182), (1310, 165911), (1322, 164405), (2510, 86591), (3305, 65762), (6610, 32881)]