1640693589

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 2293670400

約数和(自身を除く): 652976811

約数列:

[1, 3, 29, 87, 139, 211, 417, 633, 643, 1929, 4031, 6119, 12093, 18357, 18647, 29329, 55941, 87987, 89377, 135673, 268131, 407019, 850541, 2551623, 2591933, 3934517, 7775799, 11803551, 18858547, 56575641, 546897863, 1640693589]

約数ペア:

[(1, 1640693589), (3, 546897863), (29, 56575641), (87, 18858547), (139, 11803551), (211, 7775799), (417, 3934517), (633, 2591933), (643, 2551623), (1929, 850541), (4031, 407019), (6119, 268131), (12093, 135673), (18357, 89377), (18647, 87987), (29329, 55941)]