780710399

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 959324160

約数和(自身を除く): 178613761

約数列:

[1, 7, 19, 73, 133, 191, 421, 511, 1337, 1387, 2947, 3629, 7999, 9709, 13943, 25403, 30733, 55993, 80411, 97601, 215131, 264917, 562877, 583927, 1527809, 1854419, 4087489, 5870003, 10694663, 41090021, 111530057, 780710399]

約数ペア:

[(1, 780710399), (7, 111530057), (19, 41090021), (73, 10694663), (133, 5870003), (191, 4087489), (421, 1854419), (511, 1527809), (1337, 583927), (1387, 562877), (2947, 264917), (3629, 215131), (7999, 97601), (9709, 80411), (13943, 55993), (25403, 30733)]