217804574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{270229}}^1$

素因数の和:270275

約数の個数: 16

約数和(自身を含む): 363189120

約数和(自身を除く): 145384546

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 270229, 540458, 3512977, 7025954, 8377099, 16754198, 108902287, 217804574]

約数ペア:

[(1, 217804574), (2, 108902287), (13, 16754198), (26, 8377099), (31, 7025954), (62, 3512977), (403, 540458), (806, 270229)]