890086285

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{1693}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 1190407680

約数和(自身を除く): 300321395

約数列:

[1, 5, 11, 55, 79, 121, 395, 605, 869, 1331, 1693, 4345, 6655, 8465, 9559, 18623, 47795, 93115, 105149, 133747, 204853, 525745, 668735, 1024265, 1471217, 2253383, 7356085, 11266915, 16183387, 80916935, 178017257, 890086285]

約数ペア:

[(1, 890086285), (5, 178017257), (11, 80916935), (55, 16183387), (79, 11266915), (121, 7356085), (395, 2253383), (605, 1471217), (869, 1024265), (1331, 668735), (1693, 525745), (4345, 204853), (6655, 133747), (8465, 105149), (9559, 93115), (18623, 47795)]