8381990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 15672096

約数和(自身を除く): 7290106

約数列:

[1, 2, 5, 10, 43, 86, 101, 193, 202, 215, 386, 430, 505, 965, 1010, 1930, 4343, 8299, 8686, 16598, 19493, 21715, 38986, 41495, 43430, 82990, 97465, 194930, 838199, 1676398, 4190995, 8381990]

約数ペア:

[(1, 8381990), (2, 4190995), (5, 1676398), (10, 838199), (43, 194930), (86, 97465), (101, 82990), (193, 43430), (202, 41495), (215, 38986), (386, 21715), (430, 19493), (505, 16598), (965, 8686), (1010, 8299), (1930, 4343)]