16978135

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 21052800

約数和(自身を除く): 4074665

約数列:

[1, 5, 59, 67, 295, 335, 859, 3953, 4295, 19765, 50681, 57553, 253405, 287765, 3395627, 16978135]

約数ペア:

[(1, 16978135), (5, 3395627), (59, 287765), (67, 253405), (295, 57553), (335, 50681), (859, 19765), (3953, 4295)]