81103428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 108

約数和(自身を含む): 248976000

約数和(自身を除く): 167872572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 828, 882, 966, 1127, 1449, 1764, 1932, 1999, 2254, 2898, 3381, 3998, 4508, 5796, 5997, 6762, 7996, 10143, 11994, 13524, 13993, 17991, 20286, 23988, 27986, 35982, 40572, 41979, 45977, 55972, 71964, 83958, 91954, 97951, 125937, 137931, 167916, 183908, 195902, 251874, 275862, 293853, 321839, 391804, 413793, 503748, 551724, 587706, 643678, 827586, 881559, 965517, 1175412, 1287356, 1655172, 1763118, 1931034, 2252873, 2896551, 3526236, 3862068, 4505746, 5793102, 6758619, 9011492, 11586204, 13517238, 20275857, 27034476, 40551714, 81103428]

約数ペア:

[(1, 81103428), (2, 40551714), (3, 27034476), (4, 20275857), (6, 13517238), (7, 11586204), (9, 9011492), (12, 6758619), (14, 5793102), (18, 4505746), (21, 3862068), (23, 3526236), (28, 2896551), (36, 2252873), (42, 1931034), (46, 1763118), (49, 1655172), (63, 1287356), (69, 1175412), (84, 965517), (92, 881559), (98, 827586), (126, 643678), (138, 587706), (147, 551724), (161, 503748), (196, 413793), (207, 391804), (252, 321839), (276, 293853), (294, 275862), (322, 251874), (414, 195902), (441, 183908), (483, 167916), (588, 137931), (644, 125937), (828, 97951), (882, 91954), (966, 83958), (1127, 71964), (1449, 55972), (1764, 45977), (1932, 41979), (1999, 40572), (2254, 35982), (2898, 27986), (3381, 23988), (3998, 20286), (4508, 17991), (5796, 13993), (5997, 13524), (6762, 11994), (7996, 10143)]