7989156

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 23587200

約数和(自身を除く): 15598044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 647, 686, 882, 1029, 1294, 1372, 1764, 1941, 2058, 2588, 3087, 3882, 4116, 4529, 5823, 6174, 7764, 9058, 11646, 12348, 13587, 18116, 23292, 27174, 31703, 40761, 54348, 63406, 81522, 95109, 126812, 163044, 190218, 221921, 285327, 380436, 443842, 570654, 665763, 887684, 1141308, 1331526, 1997289, 2663052, 3994578, 7989156]

約数ペア:

[(1, 7989156), (2, 3994578), (3, 2663052), (4, 1997289), (6, 1331526), (7, 1141308), (9, 887684), (12, 665763), (14, 570654), (18, 443842), (21, 380436), (28, 285327), (36, 221921), (42, 190218), (49, 163044), (63, 126812), (84, 95109), (98, 81522), (126, 63406), (147, 54348), (196, 40761), (252, 31703), (294, 27174), (343, 23292), (441, 18116), (588, 13587), (647, 12348), (686, 11646), (882, 9058), (1029, 7764), (1294, 6174), (1372, 5823), (1764, 4529), (1941, 4116), (2058, 3882), (2588, 3087)]