64989827

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 81423360

約数和(自身を除く): 16433533

約数列:

[1, 7, 17, 49, 61, 119, 427, 833, 1037, 1279, 2989, 7259, 8953, 21743, 50813, 62671, 78019, 152201, 546133, 1065407, 1326323, 3822931, 9284261, 64989827]

約数ペア:

[(1, 64989827), (7, 9284261), (17, 3822931), (49, 1326323), (61, 1065407), (119, 546133), (427, 152201), (833, 78019), (1037, 62671), (1279, 50813), (2989, 21743), (7259, 8953)]