209567215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2689}}^1$

素因数の和:2827

約数の個数: 32

約数和(自身を含む): 298267200

約数和(自身を除く): 88699985

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 545, 715, 1199, 1417, 2689, 5995, 7085, 13445, 15587, 29579, 34957, 77935, 147895, 174785, 293101, 384527, 1465505, 1922635, 3224111, 3810313, 16120555, 19051565, 41913443, 209567215]

約数ペア:

[(1, 209567215), (5, 41913443), (11, 19051565), (13, 16120555), (55, 3810313), (65, 3224111), (109, 1922635), (143, 1465505), (545, 384527), (715, 293101), (1199, 174785), (1417, 147895), (2689, 77935), (5995, 34957), (7085, 29579), (13445, 15587)]