1330890778

素因数分解:

$2^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{211723}}^1$

素因数の和:212181

約数の個数: 16

約数和(自身を含む): 2286619200

約数和(自身を除く): 955728422

約数列:

[1, 2, 7, 14, 449, 898, 3143, 6286, 211723, 423446, 1482061, 2964122, 95063627, 190127254, 665445389, 1330890778]

約数ペア:

[(1, 1330890778), (2, 665445389), (7, 190127254), (14, 95063627), (449, 2964122), (898, 1482061), (3143, 423446), (6286, 211723)]