489654145

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 32

約数和(自身を含む): 645442560

約数和(自身を除く): 155788415

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 643, 1445, 2635, 3215, 4913, 8959, 10931, 19933, 24565, 44795, 54655, 99665, 152303, 185827, 338861, 761515, 929135, 1694305, 3159059, 5760637, 15795295, 28803185, 97930829, 489654145]

約数ペア:

[(1, 489654145), (5, 97930829), (17, 28803185), (31, 15795295), (85, 5760637), (155, 3159059), (289, 1694305), (527, 929135), (643, 761515), (1445, 338861), (2635, 185827), (3215, 152303), (4913, 99665), (8959, 54655), (10931, 44795), (19933, 24565)]