90571138

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20029}}^1$

素因数の和:20074

約数の個数: 32

約数和(自身を含む): 173059200

約数和(自身を除く): 82488062

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 20029, 40058, 140203, 280406, 340493, 380551, 680986, 761102, 2383451, 2663857, 4766902, 5327714, 6469367, 12938734, 45285569, 90571138]

約数ペア:

[(1, 90571138), (2, 45285569), (7, 12938734), (14, 6469367), (17, 5327714), (19, 4766902), (34, 2663857), (38, 2383451), (119, 761102), (133, 680986), (238, 380551), (266, 340493), (323, 280406), (646, 140203), (2261, 40058), (4522, 20029)]