666947272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{60107}}^1$

素因数の和:60205

約数の個数: 32

約数和(自身を含む): 1334397600

約数和(自身を除く): 667450328

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 2774, 5548, 11096, 60107, 120214, 240428, 480856, 1142033, 2284066, 4387811, 4568132, 8775622, 9136264, 17551244, 35102488, 83368409, 166736818, 333473636, 666947272]

約数ペア:

[(1, 666947272), (2, 333473636), (4, 166736818), (8, 83368409), (19, 35102488), (38, 17551244), (73, 9136264), (76, 8775622), (146, 4568132), (152, 4387811), (292, 2284066), (584, 1142033), (1387, 480856), (2774, 240428), (5548, 120214), (11096, 60107)]