643048236

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{857}}^1\times {\mathrm{1097}}^1$

素因数の和:1983

約数の個数: 72

約数和(自身を含む): 1714592880

約数和(自身を除く): 1071544644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 857, 1097, 1714, 2194, 2571, 3291, 3428, 4388, 5142, 6582, 7713, 9873, 10284, 13164, 15426, 16283, 19746, 20843, 30852, 32566, 39492, 41686, 48849, 62529, 65132, 83372, 97698, 125058, 146547, 187587, 195396, 250116, 293094, 375174, 586188, 750348, 940129, 1880258, 2820387, 3760516, 5640774, 8461161, 11281548, 16922322, 17862451, 33844644, 35724902, 53587353, 71449804, 107174706, 160762059, 214349412, 321524118, 643048236]

約数ペア:

[(1, 643048236), (2, 321524118), (3, 214349412), (4, 160762059), (6, 107174706), (9, 71449804), (12, 53587353), (18, 35724902), (19, 33844644), (36, 17862451), (38, 16922322), (57, 11281548), (76, 8461161), (114, 5640774), (171, 3760516), (228, 2820387), (342, 1880258), (684, 940129), (857, 750348), (1097, 586188), (1714, 375174), (2194, 293094), (2571, 250116), (3291, 195396), (3428, 187587), (4388, 146547), (5142, 125058), (6582, 97698), (7713, 83372), (9873, 65132), (10284, 62529), (13164, 48849), (15426, 41686), (16283, 39492), (19746, 32566), (20843, 30852)]