12420815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4261}}^1$

素因数の和:4330

約数の個数: 16

約数和(自身を含む): 16570656

約数和(自身を除く): 4149841

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 4261, 21305, 46871, 225833, 234355, 1129165, 2484163, 12420815]

約数ペア:

[(1, 12420815), (5, 2484163), (11, 1129165), (53, 234355), (55, 225833), (265, 46871), (583, 21305), (2915, 4261)]