642063344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1697}}^1$

素因数の和:1842

約数の個数: 80

約数和(自身を含む): 1432595808

約数和(自身を除く): 790532464

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 107, 136, 208, 214, 221, 272, 428, 442, 856, 884, 1391, 1697, 1712, 1768, 1819, 2782, 3394, 3536, 3638, 5564, 6788, 7276, 11128, 13576, 14552, 22061, 22256, 23647, 27152, 28849, 29104, 44122, 47294, 57698, 88244, 94588, 115396, 176488, 181579, 189176, 230792, 352976, 363158, 375037, 378352, 461584, 726316, 750074, 1452632, 1500148, 2360527, 2905264, 3000296, 3086843, 4721054, 6000592, 6173686, 9442108, 12347372, 18884216, 24694744, 37768432, 40128959, 49389488, 80257918, 160515836, 321031672, 642063344]

約数ペア:

[(1, 642063344), (2, 321031672), (4, 160515836), (8, 80257918), (13, 49389488), (16, 40128959), (17, 37768432), (26, 24694744), (34, 18884216), (52, 12347372), (68, 9442108), (104, 6173686), (107, 6000592), (136, 4721054), (208, 3086843), (214, 3000296), (221, 2905264), (272, 2360527), (428, 1500148), (442, 1452632), (856, 750074), (884, 726316), (1391, 461584), (1697, 378352), (1712, 375037), (1768, 363158), (1819, 352976), (2782, 230792), (3394, 189176), (3536, 181579), (3638, 176488), (5564, 115396), (6788, 94588), (7276, 88244), (11128, 57698), (13576, 47294), (14552, 44122), (22061, 29104), (22256, 28849), (23647, 27152)]