2780778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 7483392

約数和(自身を除く): 4702614

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 463, 546, 858, 926, 1001, 1389, 2002, 2778, 3003, 3241, 5093, 6006, 6019, 6482, 9723, 10186, 12038, 15279, 18057, 19446, 30558, 35651, 36114, 42133, 66209, 71302, 84266, 106953, 126399, 132418, 198627, 213906, 252798, 397254, 463463, 926926, 1390389, 2780778]

約数ペア:

[(1, 2780778), (2, 1390389), (3, 926926), (6, 463463), (7, 397254), (11, 252798), (13, 213906), (14, 198627), (21, 132418), (22, 126399), (26, 106953), (33, 84266), (39, 71302), (42, 66209), (66, 42133), (77, 36114), (78, 35651), (91, 30558), (143, 19446), (154, 18057), (182, 15279), (231, 12038), (273, 10186), (286, 9723), (429, 6482), (462, 6019), (463, 6006), (546, 5093), (858, 3241), (926, 3003), (1001, 2778), (1389, 2002)]