681568

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 36

約数和(自身を含む): 1440180

約数和(自身を除く): 758612

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 361, 472, 608, 722, 944, 1121, 1444, 1888, 2242, 2888, 4484, 5776, 8968, 11552, 17936, 21299, 35872, 42598, 85196, 170392, 340784, 681568]

約数ペア:

[(1, 681568), (2, 340784), (4, 170392), (8, 85196), (16, 42598), (19, 35872), (32, 21299), (38, 17936), (59, 11552), (76, 8968), (118, 5776), (152, 4484), (236, 2888), (304, 2242), (361, 1888), (472, 1444), (608, 1121), (722, 944)]