217408076

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{1325659}}^1$

素因数の和:1325704

約数の個数: 12

約数和(自身を含む): 389744040

約数和(自身を除く): 172335964

約数列:

[1, 2, 4, 41, 82, 164, 1325659, 2651318, 5302636, 54352019, 108704038, 217408076]

約数ペア:

[(1, 217408076), (2, 108704038), (4, 54352019), (41, 5302636), (82, 2651318), (164, 1325659)]