28856772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 83859776

約数和(自身を除く): 55003004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 307, 373, 614, 746, 921, 1119, 1228, 1492, 1842, 2149, 2238, 2611, 2763, 3357, 3684, 4298, 4476, 5222, 5526, 6447, 6714, 7833, 8596, 10444, 11052, 12894, 13428, 15666, 19341, 23499, 25788, 31332, 38682, 46998, 77364, 93996, 114511, 229022, 343533, 458044, 687066, 801577, 1030599, 1374132, 1603154, 2061198, 2404731, 3206308, 4122396, 4809462, 7214193, 9618924, 14428386, 28856772]

約数ペア:

[(1, 28856772), (2, 14428386), (3, 9618924), (4, 7214193), (6, 4809462), (7, 4122396), (9, 3206308), (12, 2404731), (14, 2061198), (18, 1603154), (21, 1374132), (28, 1030599), (36, 801577), (42, 687066), (63, 458044), (84, 343533), (126, 229022), (252, 114511), (307, 93996), (373, 77364), (614, 46998), (746, 38682), (921, 31332), (1119, 25788), (1228, 23499), (1492, 19341), (1842, 15666), (2149, 13428), (2238, 12894), (2611, 11052), (2763, 10444), (3357, 8596), (3684, 7833), (4298, 6714), (4476, 6447), (5222, 5526)]