289884007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{70309}}^1$

素因数の和:70366

約数の個数: 16

約数和(自身を含む): 359987200

約数和(自身を除く): 70103193

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 70309, 492163, 1335871, 2179579, 9351097, 15257053, 41412001, 289884007]

約数ペア:

[(1, 289884007), (7, 41412001), (19, 15257053), (31, 9351097), (133, 2179579), (217, 1335871), (589, 492163), (4123, 70309)]