71411890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1301}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 140616000

約数和(自身を除く): 69204110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 499, 998, 1301, 2495, 2602, 4990, 5489, 6505, 10978, 13010, 14311, 27445, 28622, 54890, 71555, 143110, 649199, 1298398, 3245995, 6491990, 7141189, 14282378, 35705945, 71411890]

約数ペア:

[(1, 71411890), (2, 35705945), (5, 14282378), (10, 7141189), (11, 6491990), (22, 3245995), (55, 1298398), (110, 649199), (499, 143110), (998, 71555), (1301, 54890), (2495, 28622), (2602, 27445), (4990, 14311), (5489, 13010), (6505, 10978)]