820136744

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2239}}^1$

素因数の和:2494

約数の個数: 64

約数和(自身を含む): 1823539200

約数和(自身を除く): 1003402456

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 211, 217, 248, 422, 434, 844, 868, 1477, 1688, 1736, 2239, 2954, 4478, 5908, 6541, 8956, 11816, 13082, 15673, 17912, 26164, 31346, 45787, 52328, 62692, 69409, 91574, 125384, 138818, 183148, 277636, 366296, 472429, 485863, 555272, 944858, 971726, 1889716, 1943452, 3307003, 3779432, 3886904, 6614006, 13228012, 14645299, 26456024, 29290598, 58581196, 102517093, 117162392, 205034186, 410068372, 820136744]

約数ペア:

[(1, 820136744), (2, 410068372), (4, 205034186), (7, 117162392), (8, 102517093), (14, 58581196), (28, 29290598), (31, 26456024), (56, 14645299), (62, 13228012), (124, 6614006), (211, 3886904), (217, 3779432), (248, 3307003), (422, 1943452), (434, 1889716), (844, 971726), (868, 944858), (1477, 555272), (1688, 485863), (1736, 472429), (2239, 366296), (2954, 277636), (4478, 183148), (5908, 138818), (6541, 125384), (8956, 91574), (11816, 69409), (13082, 62692), (15673, 52328), (17912, 45787), (26164, 31346)]