27728778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1277}}^1$

素因数の和:1347

約数の個数: 64

約数和(自身を含む): 70668288

約数和(自身を除く): 42939510

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 47, 66, 77, 94, 141, 154, 231, 282, 329, 462, 517, 658, 987, 1034, 1277, 1551, 1974, 2554, 3102, 3619, 3831, 7238, 7662, 8939, 10857, 14047, 17878, 21714, 26817, 28094, 42141, 53634, 60019, 84282, 98329, 120038, 180057, 196658, 294987, 360114, 420133, 589974, 660209, 840266, 1260399, 1320418, 1980627, 2520798, 3961254, 4621463, 9242926, 13864389, 27728778]

約数ペア:

[(1, 27728778), (2, 13864389), (3, 9242926), (6, 4621463), (7, 3961254), (11, 2520798), (14, 1980627), (21, 1320418), (22, 1260399), (33, 840266), (42, 660209), (47, 589974), (66, 420133), (77, 360114), (94, 294987), (141, 196658), (154, 180057), (231, 120038), (282, 98329), (329, 84282), (462, 60019), (517, 53634), (658, 42141), (987, 28094), (1034, 26817), (1277, 21714), (1551, 17878), (1974, 14047), (2554, 10857), (3102, 8939), (3619, 7662), (3831, 7238)]