68506685

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 99610560

約数和(自身を除く): 31103875

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 169, 221, 247, 251, 323, 845, 1105, 1235, 1255, 1615, 2873, 3211, 3263, 4199, 4267, 4769, 14365, 16055, 16315, 20995, 21335, 23845, 42419, 54587, 55471, 61997, 81073, 212095, 272935, 277355, 309985, 405365, 721123, 805961, 1053949, 3605615, 4029805, 5269745, 13701337, 68506685]

約数ペア:

[(1, 68506685), (5, 13701337), (13, 5269745), (17, 4029805), (19, 3605615), (65, 1053949), (85, 805961), (95, 721123), (169, 405365), (221, 309985), (247, 277355), (251, 272935), (323, 212095), (845, 81073), (1105, 61997), (1235, 55471), (1255, 54587), (1615, 42419), (2873, 23845), (3211, 21335), (3263, 20995), (4199, 16315), (4267, 16055), (4769, 14365)]