12220256

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 25147584

約数和(自身を除く): 12927328

約数列:

[1, 2, 4, 8, 16, 32, 43, 83, 86, 107, 166, 172, 214, 332, 344, 428, 664, 688, 856, 1328, 1376, 1712, 2656, 3424, 3569, 4601, 7138, 8881, 9202, 14276, 17762, 18404, 28552, 35524, 36808, 57104, 71048, 73616, 114208, 142096, 147232, 284192, 381883, 763766, 1527532, 3055064, 6110128, 12220256]

約数ペア:

[(1, 12220256), (2, 6110128), (4, 3055064), (8, 1527532), (16, 763766), (32, 381883), (43, 284192), (83, 147232), (86, 142096), (107, 114208), (166, 73616), (172, 71048), (214, 57104), (332, 36808), (344, 35524), (428, 28552), (664, 18404), (688, 17762), (856, 14276), (1328, 9202), (1376, 8881), (1712, 7138), (2656, 4601), (3424, 3569)]