1388897987

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{8623}}^1$

素因数の和:8842

約数の個数: 16

約数和(自身を含む): 1490227200

約数和(自身を除く): 101329213

約数列:

[1, 23, 47, 149, 1081, 3427, 7003, 8623, 161069, 198329, 405281, 1284827, 9321463, 29551021, 60386869, 1388897987]

約数ペア:

[(1, 1388897987), (23, 60386869), (47, 29551021), (149, 9321463), (1081, 1284827), (3427, 405281), (7003, 198329), (8623, 161069)]