1398190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 16

約数和(自身を含む): 2546640

約数和(自身を除く): 1148450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 1571, 3142, 7855, 15710, 139819, 279638, 699095, 1398190]

約数ペア:

[(1, 1398190), (2, 699095), (5, 279638), (10, 139819), (89, 15710), (178, 7855), (445, 3142), (890, 1571)]