678264910

素因数分解:

$2^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{40639}}^1$

素因数の和:42315

約数の個数: 16

約数和(自身を含む): 1221638400

約数和(自身を除く): 543373490

約数列:

[1, 2, 5, 10, 1669, 3338, 8345, 16690, 40639, 81278, 203195, 406390, 67826491, 135652982, 339132455, 678264910]

約数ペア:

[(1, 678264910), (2, 339132455), (5, 135652982), (10, 67826491), (1669, 406390), (3338, 203195), (8345, 81278), (16690, 40639)]