638192856

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{821}}^1$

素因数の和:1505

約数の個数: 96

約数和(自身を含む): 1861040880

約数和(自身を除く): 1222848024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 661, 821, 1176, 1322, 1642, 1983, 2463, 2644, 3284, 3966, 4627, 4926, 5288, 5747, 6568, 7932, 9254, 9852, 11494, 13881, 15864, 17241, 18508, 19704, 22988, 27762, 32389, 34482, 37016, 40229, 45976, 55524, 64778, 68964, 80458, 97167, 111048, 120687, 129556, 137928, 160916, 194334, 241374, 259112, 321832, 388668, 482748, 542681, 777336, 965496, 1085362, 1628043, 2170724, 3256086, 3798767, 4341448, 6512172, 7597534, 11396301, 13024344, 15195068, 22792602, 26591369, 30390136, 45585204, 53182738, 79774107, 91170408, 106365476, 159548214, 212730952, 319096428, 638192856]

約数ペア:

[(1, 638192856), (2, 319096428), (3, 212730952), (4, 159548214), (6, 106365476), (7, 91170408), (8, 79774107), (12, 53182738), (14, 45585204), (21, 30390136), (24, 26591369), (28, 22792602), (42, 15195068), (49, 13024344), (56, 11396301), (84, 7597534), (98, 6512172), (147, 4341448), (168, 3798767), (196, 3256086), (294, 2170724), (392, 1628043), (588, 1085362), (661, 965496), (821, 777336), (1176, 542681), (1322, 482748), (1642, 388668), (1983, 321832), (2463, 259112), (2644, 241374), (3284, 194334), (3966, 160916), (4627, 137928), (4926, 129556), (5288, 120687), (5747, 111048), (6568, 97167), (7932, 80458), (9254, 68964), (9852, 64778), (11494, 55524), (13881, 45976), (15864, 40229), (17241, 37016), (18508, 34482), (19704, 32389), (22988, 27762)]