2991768

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 8279040

約数和(自身を除く): 5287272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 223, 258, 312, 344, 446, 516, 559, 669, 892, 1032, 1118, 1338, 1677, 1784, 2236, 2676, 2899, 3354, 4472, 5352, 5798, 6708, 8697, 9589, 11596, 13416, 17394, 19178, 23192, 28767, 34788, 38356, 57534, 69576, 76712, 115068, 124657, 230136, 249314, 373971, 498628, 747942, 997256, 1495884, 2991768]

約数ペア:

[(1, 2991768), (2, 1495884), (3, 997256), (4, 747942), (6, 498628), (8, 373971), (12, 249314), (13, 230136), (24, 124657), (26, 115068), (39, 76712), (43, 69576), (52, 57534), (78, 38356), (86, 34788), (104, 28767), (129, 23192), (156, 19178), (172, 17394), (223, 13416), (258, 11596), (312, 9589), (344, 8697), (446, 6708), (516, 5798), (559, 5352), (669, 4472), (892, 3354), (1032, 2899), (1118, 2676), (1338, 2236), (1677, 1784)]