217098994

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{38671}}^1$

素因数の和:39081

約数の個数: 16

約数和(自身を含む): 373107456

約数和(自身を除く): 156008462

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 38671, 77342, 270697, 541394, 15507071, 31014142, 108549497, 217098994]

約数ペア:

[(1, 217098994), (2, 108549497), (7, 31014142), (14, 15507071), (401, 541394), (802, 270697), (2807, 77342), (5614, 38671)]