217383704

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{67763}}^1$

素因数の和:68170

約数の個数: 16

約数和(自身を含む): 408616920

約数和(自身を除く): 191233216

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 67763, 135526, 271052, 542104, 27172963, 54345926, 108691852, 217383704]

約数ペア:

[(1, 217383704), (2, 108691852), (4, 54345926), (8, 27172963), (401, 542104), (802, 271052), (1604, 135526), (3208, 67763)]