654005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 24

約数和(自身を含む): 919296

約数和(自身を除く): 265291

約数列:

[1, 5, 11, 23, 47, 55, 115, 121, 235, 253, 517, 605, 1081, 1265, 2585, 2783, 5405, 5687, 11891, 13915, 28435, 59455, 130801, 654005]

約数ペア:

[(1, 654005), (5, 130801), (11, 59455), (23, 28435), (47, 13915), (55, 11891), (115, 5687), (121, 5405), (235, 2783), (253, 2585), (517, 1265), (605, 1081)]