978178928

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{4327}}^1$

素因数の和:4605

約数の個数: 40

約数和(自身を含む): 1932019200

約数和(自身を除く): 953840272

約数列:

[1, 2, 4, 8, 16, 71, 142, 199, 284, 398, 568, 796, 1136, 1592, 3184, 4327, 8654, 14129, 17308, 28258, 34616, 56516, 69232, 113032, 226064, 307217, 614434, 861073, 1228868, 1722146, 2457736, 3444292, 4915472, 6888584, 13777168, 61136183, 122272366, 244544732, 489089464, 978178928]

約数ペア:

[(1, 978178928), (2, 489089464), (4, 244544732), (8, 122272366), (16, 61136183), (71, 13777168), (142, 6888584), (199, 4915472), (284, 3444292), (398, 2457736), (568, 1722146), (796, 1228868), (1136, 861073), (1592, 614434), (3184, 307217), (4327, 226064), (8654, 113032), (14129, 69232), (17308, 56516), (28258, 34616)]