16389785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 22096800

約数和(自身を除く): 5707015

約数列:

[1, 5, 17, 29, 61, 85, 109, 145, 305, 493, 545, 1037, 1769, 1853, 2465, 3161, 5185, 6649, 8845, 9265, 15805, 30073, 33245, 53737, 113033, 150365, 192821, 268685, 565165, 964105, 3277957, 16389785]

約数ペア:

[(1, 16389785), (5, 3277957), (17, 964105), (29, 565165), (61, 268685), (85, 192821), (109, 150365), (145, 113033), (305, 53737), (493, 33245), (545, 30073), (1037, 15805), (1769, 9265), (1853, 8845), (2465, 6649), (3161, 5185)]