1639841288

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{1257547}}^1$

素因数の和:1257716

約数の個数: 16

約数和(自身を含む): 3093568080

約数和(自身を除く): 1453726792

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 1257547, 2515094, 5030188, 10060376, 204980161, 409960322, 819920644, 1639841288]

約数ペア:

[(1, 1639841288), (2, 819920644), (4, 409960322), (8, 204980161), (163, 10060376), (326, 5030188), (652, 2515094), (1304, 1257547)]