1994747678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1\times {\mathrm{2797}}^1$

素因数の和:3249

約数の個数: 48

約数和(自身を含む): 3768973152

約数和(自身を除く): 1774225474

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 421, 842, 847, 1694, 2797, 2947, 4631, 5594, 5894, 9262, 19579, 30767, 32417, 39158, 50941, 61534, 64834, 101882, 215369, 338437, 356587, 430738, 676874, 713174, 1177537, 2355074, 2369059, 4738118, 8242759, 12952907, 16485518, 25905814, 90670349, 142481977, 181340698, 284963954, 997373839, 1994747678]

約数ペア:

[(1, 1994747678), (2, 997373839), (7, 284963954), (11, 181340698), (14, 142481977), (22, 90670349), (77, 25905814), (121, 16485518), (154, 12952907), (242, 8242759), (421, 4738118), (842, 2369059), (847, 2355074), (1694, 1177537), (2797, 713174), (2947, 676874), (4631, 430738), (5594, 356587), (5894, 338437), (9262, 215369), (19579, 101882), (30767, 64834), (32417, 61534), (39158, 50941)]