81137672

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110462968

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 107, 154, 214, 308, 428, 616, 749, 856, 1177, 1231, 1498, 2354, 2462, 2996, 4708, 4924, 5992, 8239, 8617, 9416, 9848, 13541, 16478, 17234, 27082, 32956, 34468, 54164, 65912, 68936, 94787, 108328, 131717, 189574, 263434, 379148, 526868, 758296, 922019, 1053736, 1448887, 1844038, 2897774, 3688076, 5795548, 7376152, 10142209, 11591096, 20284418, 40568836, 81137672]

約数ペア:

[(1, 81137672), (2, 40568836), (4, 20284418), (7, 11591096), (8, 10142209), (11, 7376152), (14, 5795548), (22, 3688076), (28, 2897774), (44, 1844038), (56, 1448887), (77, 1053736), (88, 922019), (107, 758296), (154, 526868), (214, 379148), (308, 263434), (428, 189574), (616, 131717), (749, 108328), (856, 94787), (1177, 68936), (1231, 65912), (1498, 54164), (2354, 34468), (2462, 32956), (2996, 27082), (4708, 17234), (4924, 16478), (5992, 13541), (8239, 9848), (8617, 9416)]