15678969865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{53951}}^1$

素因数の和:54249

約数の個数: 32

約数和(自身を含む): 21535911936

約数和(自身を除く): 5856942071

約数列:

[1, 5, 13, 17, 65, 85, 221, 263, 1105, 1315, 3419, 4471, 17095, 22355, 53951, 58123, 269755, 290615, 701363, 917167, 3506815, 4585835, 11923171, 14189113, 59615855, 70945565, 184458469, 241214921, 922292345, 1206074605, 3135793973, 15678969865]

約数ペア:

[(1, 15678969865), (5, 3135793973), (13, 1206074605), (17, 922292345), (65, 241214921), (85, 184458469), (221, 70945565), (263, 59615855), (1105, 14189113), (1315, 11923171), (3419, 4585835), (4471, 3506815), (17095, 917167), (22355, 701363), (53951, 290615), (58123, 269755)]