289311685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5029

約数の個数: 32

約数和(自身を含む): 399329280

約数和(自身を除く): 110017595

約数列:

[1, 5, 13, 29, 31, 65, 145, 155, 377, 403, 899, 1885, 2015, 4495, 4951, 11687, 24755, 58435, 64363, 143579, 153481, 321815, 717895, 767405, 1866527, 1995253, 4450949, 9332635, 9976265, 22254745, 57862337, 289311685]

約数ペア:

[(1, 289311685), (5, 57862337), (13, 22254745), (29, 9976265), (31, 9332635), (65, 4450949), (145, 1995253), (155, 1866527), (377, 767405), (403, 717895), (899, 321815), (1885, 153481), (2015, 143579), (4495, 64363), (4951, 58435), (11687, 24755)]