9990838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 17795232

約数和(自身を除く): 7804394

約数列:

[1, 2, 11, 13, 22, 26, 143, 181, 193, 286, 362, 386, 1991, 2123, 2353, 2509, 3982, 4246, 4706, 5018, 25883, 27599, 34933, 51766, 55198, 69866, 384263, 454129, 768526, 908258, 4995419, 9990838]

約数ペア:

[(1, 9990838), (2, 4995419), (11, 908258), (13, 768526), (22, 454129), (26, 384263), (143, 69866), (181, 55198), (193, 51766), (286, 34933), (362, 27599), (386, 25883), (1991, 5018), (2123, 4706), (2353, 4246), (2509, 3982)]