2016187870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{7247}}^1$

素因数の和:7944

約数の個数: 32

約数和(自身を含む): 3719789568

約数和(自身を除く): 1703601698

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 647, 1294, 3235, 6470, 7247, 14494, 27821, 36235, 55642, 72470, 139105, 278210, 311621, 623242, 1558105, 3116210, 4688809, 9377618, 23444045, 46888090, 201618787, 403237574, 1008093935, 2016187870]

約数ペア:

[(1, 2016187870), (2, 1008093935), (5, 403237574), (10, 201618787), (43, 46888090), (86, 23444045), (215, 9377618), (430, 4688809), (647, 3116210), (1294, 1558105), (3235, 623242), (6470, 311621), (7247, 278210), (14494, 139105), (27821, 72470), (36235, 55642)]