198931430

素因数分解:

$2^1\times 5^1\times {\mathrm{4987}}^1\times {\mathrm{3989}}^1$

素因数の和:8983

約数の個数: 16

約数和(自身を含む): 358238160

約数和(自身を除く): 159306730

約数列:

[1, 2, 5, 10, 3989, 4987, 7978, 9974, 19945, 24935, 39890, 49870, 19893143, 39786286, 99465715, 198931430]

約数ペア:

[(1, 198931430), (2, 99465715), (5, 39786286), (10, 19893143), (3989, 49870), (4987, 39890), (7978, 24935), (9974, 19945)]