16565556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 44441600

約数和(自身を除く): 27876044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 991, 1194, 1393, 1982, 2388, 2786, 2973, 3964, 4179, 5572, 5946, 6937, 8358, 11892, 13874, 16716, 20811, 27748, 41622, 83244, 197209, 394418, 591627, 788836, 1183254, 1380463, 2366508, 2760926, 4141389, 5521852, 8282778, 16565556]

約数ペア:

[(1, 16565556), (2, 8282778), (3, 5521852), (4, 4141389), (6, 2760926), (7, 2366508), (12, 1380463), (14, 1183254), (21, 788836), (28, 591627), (42, 394418), (84, 197209), (199, 83244), (398, 41622), (597, 27748), (796, 20811), (991, 16716), (1194, 13874), (1393, 11892), (1982, 8358), (2388, 6937), (2786, 5946), (2973, 5572), (3964, 4179)]