90866531

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 113664000

約数和(自身を除く): 22797469

約数列:

[1, 7, 19, 49, 73, 133, 191, 343, 511, 931, 1337, 1387, 3577, 3629, 6517, 9359, 9709, 13943, 25039, 25403, 65513, 67963, 97601, 177821, 264917, 475741, 683207, 1244747, 1854419, 4782449, 12980933, 90866531]

約数ペア:

[(1, 90866531), (7, 12980933), (19, 4782449), (49, 1854419), (73, 1244747), (133, 683207), (191, 475741), (343, 264917), (511, 177821), (931, 97601), (1337, 67963), (1387, 65513), (3577, 25403), (3629, 25039), (6517, 13943), (9359, 9709)]