13991890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 27630720

約数和(自身を除く): 13638830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 409, 622, 818, 1555, 2045, 3110, 3421, 4090, 4499, 6842, 8998, 17105, 22495, 34210, 44990, 127199, 254398, 635995, 1271990, 1399189, 2798378, 6995945, 13991890]

約数ペア:

[(1, 13991890), (2, 6995945), (5, 2798378), (10, 1399189), (11, 1271990), (22, 635995), (55, 254398), (110, 127199), (311, 44990), (409, 34210), (622, 22495), (818, 17105), (1555, 8998), (2045, 6842), (3110, 4499), (3421, 4090)]