78651741

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 134369280

約数和(自身を除く): 55717539

約数列:

[1, 3, 7, 17, 21, 29, 51, 71, 87, 107, 119, 203, 213, 321, 357, 493, 497, 609, 749, 1207, 1479, 1491, 1819, 2059, 2247, 3103, 3451, 3621, 5457, 6177, 7597, 8449, 9309, 10353, 12733, 14413, 21721, 22791, 25347, 35003, 38199, 43239, 52751, 53179, 65163, 105009, 129149, 158253, 159537, 220313, 245021, 369257, 387447, 660939, 735063, 904043, 1107771, 1542191, 2712129, 3745321, 4626573, 11235963, 26217247, 78651741]

約数ペア:

[(1, 78651741), (3, 26217247), (7, 11235963), (17, 4626573), (21, 3745321), (29, 2712129), (51, 1542191), (71, 1107771), (87, 904043), (107, 735063), (119, 660939), (203, 387447), (213, 369257), (321, 245021), (357, 220313), (493, 159537), (497, 158253), (609, 129149), (749, 105009), (1207, 65163), (1479, 53179), (1491, 52751), (1819, 43239), (2059, 38199), (2247, 35003), (3103, 25347), (3451, 22791), (3621, 21721), (5457, 14413), (6177, 12733), (7597, 10353), (8449, 9309)]