399528026885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{24923}}^1$

素因数の和:25326

約数の個数: 48

約数和(自身を含む): 529378581888

約数和(自身を除く): 129850555003

約数列:

[1, 5, 13, 61, 65, 169, 305, 311, 793, 845, 1555, 3965, 4043, 10309, 18971, 20215, 24923, 51545, 52559, 94855, 124615, 246623, 262795, 323999, 1233115, 1520303, 1619995, 3206099, 4211987, 7601515, 7751053, 16030495, 19763939, 21059935, 38755265, 98819695, 100763689, 256931207, 472814233, 503818445, 1284656035, 1309927957, 2364071165, 6146585029, 6549639785, 30732925145, 79905605377, 399528026885]

約数ペア:

[(1, 399528026885), (5, 79905605377), (13, 30732925145), (61, 6549639785), (65, 6146585029), (169, 2364071165), (305, 1309927957), (311, 1284656035), (793, 503818445), (845, 472814233), (1555, 256931207), (3965, 100763689), (4043, 98819695), (10309, 38755265), (18971, 21059935), (20215, 19763939), (24923, 16030495), (51545, 7751053), (52559, 7601515), (94855, 4211987), (124615, 3206099), (246623, 1619995), (262795, 1520303), (323999, 1233115)]