218379457

素因数分解:

${\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 232720128

約数和(自身を除く): 14340671

約数列:

[1, 23, 71, 173, 773, 1633, 3979, 12283, 17779, 54883, 133729, 282509, 1262309, 3075767, 9494759, 218379457]

約数ペア:

[(1, 218379457), (23, 9494759), (71, 3075767), (173, 1262309), (773, 282509), (1633, 133729), (3979, 54883), (12283, 17779)]