157897990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{686513}}^1$

素因数の和:686543

約数の個数: 16

約数和(自身を含む): 296574048

約数和(自身を除く): 138676058

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 686513, 1373026, 3432565, 6865130, 15789799, 31579598, 78948995, 157897990]

約数ペア:

[(1, 157897990), (2, 78948995), (5, 31579598), (10, 15789799), (23, 6865130), (46, 3432565), (115, 1373026), (230, 686513)]