17555005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 23990400

約数和(自身を除く): 6435395

約数列:

[1, 5, 13, 29, 65, 67, 139, 145, 335, 377, 695, 871, 1807, 1885, 1943, 4031, 4355, 9035, 9313, 9715, 20155, 25259, 46565, 52403, 121069, 126295, 262015, 270077, 605345, 1350385, 3511001, 17555005]

約数ペア:

[(1, 17555005), (5, 3511001), (13, 1350385), (29, 605345), (65, 270077), (67, 262015), (139, 126295), (145, 121069), (335, 52403), (377, 46565), (695, 25259), (871, 20155), (1807, 9715), (1885, 9313), (1943, 9035), (4031, 4355)]