1989766768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{665029}}^1$

素因数の和:665065

約数の個数: 40

約数和(自身を含む): 4453040880

約数和(自身を除く): 2463274112

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 665029, 1330058, 2660116, 5320232, 7315319, 10640464, 11305493, 14630638, 22610986, 29261276, 45221972, 58522552, 90443944, 117045104, 124360423, 180887888, 248720846, 497441692, 994883384, 1989766768]

約数ペア:

[(1, 1989766768), (2, 994883384), (4, 497441692), (8, 248720846), (11, 180887888), (16, 124360423), (17, 117045104), (22, 90443944), (34, 58522552), (44, 45221972), (68, 29261276), (88, 22610986), (136, 14630638), (176, 11305493), (187, 10640464), (272, 7315319), (374, 5320232), (748, 2660116), (1496, 1330058), (2992, 665029)]