645142078

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2710681}}^1$

素因数の和:2710707

約数の個数: 16

約数和(自身を含む): 1171014624

約数和(自身を除く): 525872546

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 2710681, 5421362, 18974767, 37949534, 46081577, 92163154, 322571039, 645142078]

約数ペア:

[(1, 645142078), (2, 322571039), (7, 92163154), (14, 46081577), (17, 37949534), (34, 18974767), (119, 5421362), (238, 2710681)]