1998864

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{661}}^1$

素因数の和:685

約数の個数: 80

約数和(自身を含む): 6567040

約数和(自身を除く): 4568176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 661, 756, 1008, 1322, 1512, 1983, 2644, 3024, 3966, 4627, 5288, 5949, 7932, 9254, 10576, 11898, 13881, 15864, 17847, 18508, 23796, 27762, 31728, 35694, 37016, 41643, 47592, 55524, 71388, 74032, 83286, 95184, 111048, 124929, 142776, 166572, 222096, 249858, 285552, 333144, 499716, 666288, 999432, 1998864]

約数ペア:

[(1, 1998864), (2, 999432), (3, 666288), (4, 499716), (6, 333144), (7, 285552), (8, 249858), (9, 222096), (12, 166572), (14, 142776), (16, 124929), (18, 111048), (21, 95184), (24, 83286), (27, 74032), (28, 71388), (36, 55524), (42, 47592), (48, 41643), (54, 37016), (56, 35694), (63, 31728), (72, 27762), (84, 23796), (108, 18508), (112, 17847), (126, 15864), (144, 13881), (168, 11898), (189, 10576), (216, 9254), (252, 7932), (336, 5949), (378, 5288), (432, 4627), (504, 3966), (661, 3024), (756, 2644), (1008, 1983), (1322, 1512)]