80643556

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 166521600

約数和(自身を除く): 85878044

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 199, 287, 353, 398, 574, 706, 796, 1148, 1393, 1412, 2471, 2786, 4942, 5572, 8159, 9884, 14473, 16318, 28946, 32636, 57113, 57892, 70247, 101311, 114226, 140494, 202622, 228452, 280988, 405244, 491729, 983458, 1966916, 2880127, 5760254, 11520508, 20160889, 40321778, 80643556]

約数ペア:

[(1, 80643556), (2, 40321778), (4, 20160889), (7, 11520508), (14, 5760254), (28, 2880127), (41, 1966916), (82, 983458), (164, 491729), (199, 405244), (287, 280988), (353, 228452), (398, 202622), (574, 140494), (706, 114226), (796, 101311), (1148, 70247), (1393, 57892), (1412, 57113), (2471, 32636), (2786, 28946), (4942, 16318), (5572, 14473), (8159, 9884)]