81414905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 121746240

約数和(自身を除く): 40331335

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 169, 209, 247, 461, 715, 845, 1045, 1235, 1859, 2305, 2717, 3211, 5071, 5993, 8759, 9295, 13585, 16055, 25355, 29965, 35321, 43795, 65923, 77909, 96349, 113867, 176605, 329615, 389545, 481745, 569335, 856999, 1252537, 1480271, 4284995, 6262685, 7401355, 16282981, 81414905]

約数ペア:

[(1, 81414905), (5, 16282981), (11, 7401355), (13, 6262685), (19, 4284995), (55, 1480271), (65, 1252537), (95, 856999), (143, 569335), (169, 481745), (209, 389545), (247, 329615), (461, 176605), (715, 113867), (845, 96349), (1045, 77909), (1235, 65923), (1859, 43795), (2305, 35321), (2717, 29965), (3211, 25355), (5071, 16055), (5993, 13585), (8759, 9295)]