13661285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 6297115

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 769, 935, 1045, 1615, 3553, 3845, 8459, 13073, 14611, 17765, 42295, 65365, 73055, 143803, 160721, 248387, 719015, 803605, 1241935, 2732257, 13661285]

約数ペア:

[(1, 13661285), (5, 2732257), (11, 1241935), (17, 803605), (19, 719015), (55, 248387), (85, 160721), (95, 143803), (187, 73055), (209, 65365), (323, 42295), (769, 17765), (935, 14611), (1045, 13073), (1615, 8459), (3553, 3845)]