28661948

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 59204544

約数和(自身を除く): 30542596

約数列:

[1, 2, 4, 7, 14, 28, 61, 97, 122, 173, 194, 244, 346, 388, 427, 679, 692, 854, 1211, 1358, 1708, 2422, 2716, 4844, 5917, 10553, 11834, 16781, 21106, 23668, 33562, 41419, 42212, 67124, 73871, 82838, 117467, 147742, 165676, 234934, 295484, 469868, 1023641, 2047282, 4094564, 7165487, 14330974, 28661948]

約数ペア:

[(1, 28661948), (2, 14330974), (4, 7165487), (7, 4094564), (14, 2047282), (28, 1023641), (61, 469868), (97, 295484), (122, 234934), (173, 165676), (194, 147742), (244, 117467), (346, 82838), (388, 73871), (427, 67124), (679, 42212), (692, 41419), (854, 33562), (1211, 23668), (1358, 21106), (1708, 16781), (2422, 11834), (2716, 10553), (4844, 5917)]