128401867

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 158630400

約数和(自身を除く): 30228533

約数列:

[1, 11, 17, 19, 71, 187, 209, 323, 509, 781, 1207, 1349, 3553, 5599, 8653, 9671, 13277, 14839, 22933, 36139, 95183, 106381, 164407, 252263, 397529, 614363, 686641, 1808477, 6757993, 7553051, 11672897, 128401867]

約数ペア:

[(1, 128401867), (11, 11672897), (17, 7553051), (19, 6757993), (71, 1808477), (187, 686641), (209, 614363), (323, 397529), (509, 252263), (781, 164407), (1207, 106381), (1349, 95183), (3553, 36139), (5599, 22933), (8653, 14839), (9671, 13277)]