217428616

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{67777}}^1$

素因数の和:68184

約数の個数: 16

約数和(自身を含む): 408701340

約数和(自身を除く): 191272724

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 67777, 135554, 271108, 542216, 27178577, 54357154, 108714308, 217428616]

約数ペア:

[(1, 217428616), (2, 108714308), (4, 54357154), (8, 27178577), (401, 542216), (802, 271108), (1604, 135554), (3208, 67777)]