16985990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1607}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 35195904

約数和(自身を除く): 18209914

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 1607, 2114, 3214, 5285, 8035, 10570, 11249, 16070, 22498, 56245, 112490, 242657, 485314, 1213285, 1698599, 2426570, 3397198, 8492995, 16985990]

約数ペア:

[(1, 16985990), (2, 8492995), (5, 3397198), (7, 2426570), (10, 1698599), (14, 1213285), (35, 485314), (70, 242657), (151, 112490), (302, 56245), (755, 22498), (1057, 16070), (1510, 11249), (1607, 10570), (2114, 8035), (3214, 5285)]