69979021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 86619456

約数和(自身を除く): 16640435

約数列:

[1, 7, 17, 67, 119, 131, 469, 917, 1139, 2227, 4489, 7973, 8777, 15589, 31423, 61439, 76313, 149209, 534191, 588059, 1044463, 4116413, 9997003, 69979021]

約数ペア:

[(1, 69979021), (7, 9997003), (17, 4116413), (67, 1044463), (119, 588059), (131, 534191), (469, 149209), (917, 76313), (1139, 61439), (2227, 31423), (4489, 15589), (7973, 8777)]