197655556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1867}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 418432000

約数和(自身を除く): 220776444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 199, 266, 398, 532, 796, 1393, 1867, 2786, 3734, 3781, 5572, 7468, 7562, 13069, 15124, 26138, 26467, 35473, 52276, 52934, 70946, 105868, 141892, 248311, 371533, 496622, 743066, 993244, 1486132, 2600731, 5201462, 7059127, 10402924, 14118254, 28236508, 49413889, 98827778, 197655556]

約数ペア:

[(1, 197655556), (2, 98827778), (4, 49413889), (7, 28236508), (14, 14118254), (19, 10402924), (28, 7059127), (38, 5201462), (76, 2600731), (133, 1486132), (199, 993244), (266, 743066), (398, 496622), (532, 371533), (796, 248311), (1393, 141892), (1867, 105868), (2786, 70946), (3734, 52934), (3781, 52276), (5572, 35473), (7468, 26467), (7562, 26138), (13069, 15124)]