68420495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 102930912

約数和(自身を除く): 34510417

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 169, 187, 221, 433, 715, 845, 935, 1105, 1859, 2165, 2431, 2873, 4763, 5629, 7361, 9295, 12155, 14365, 23815, 28145, 31603, 36805, 61919, 73177, 80971, 95693, 158015, 309595, 365885, 404855, 478465, 804947, 1052623, 1244009, 4024735, 5263115, 6220045, 13684099, 68420495]

約数ペア:

[(1, 68420495), (5, 13684099), (11, 6220045), (13, 5263115), (17, 4024735), (55, 1244009), (65, 1052623), (85, 804947), (143, 478465), (169, 404855), (187, 365885), (221, 309595), (433, 158015), (715, 95693), (845, 80971), (935, 73177), (1105, 61919), (1859, 36805), (2165, 31603), (2431, 28145), (2873, 23815), (4763, 14365), (5629, 12155), (7361, 9295)]