281012408

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{252709}}^1$

素因数の和:252854

約数の個数: 16

約数和(自身を含む): 530691000

約数和(自身を除く): 249678592

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 252709, 505418, 1010836, 2021672, 35126551, 70253102, 140506204, 281012408]

約数ペア:

[(1, 281012408), (2, 140506204), (4, 70253102), (8, 35126551), (139, 2021672), (278, 1010836), (556, 505418), (1112, 252709)]