2177812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 4867072

約数和(自身を除く): 2689260

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 193, 217, 364, 386, 403, 434, 772, 806, 868, 1351, 1612, 2509, 2702, 2821, 5018, 5404, 5642, 5983, 10036, 11284, 11966, 17563, 23932, 35126, 41881, 70252, 77779, 83762, 155558, 167524, 311116, 544453, 1088906, 2177812]

約数ペア:

[(1, 2177812), (2, 1088906), (4, 544453), (7, 311116), (13, 167524), (14, 155558), (26, 83762), (28, 77779), (31, 70252), (52, 41881), (62, 35126), (91, 23932), (124, 17563), (182, 11966), (193, 11284), (217, 10036), (364, 5983), (386, 5642), (403, 5404), (434, 5018), (772, 2821), (806, 2702), (868, 2509), (1351, 1612)]