81659585

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2033

約数の個数: 32

約数和(自身を含む): 120310272

約数和(自身を除く): 38650687

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 355, 497, 595, 1207, 1933, 2485, 6035, 8449, 9665, 13531, 32861, 42245, 67655, 137243, 164305, 230027, 686215, 960701, 1150135, 2333131, 4803505, 11665655, 16331917, 81659585]

約数ペア:

[(1, 81659585), (5, 16331917), (7, 11665655), (17, 4803505), (35, 2333131), (71, 1150135), (85, 960701), (119, 686215), (355, 230027), (497, 164305), (595, 137243), (1207, 67655), (1933, 42245), (2485, 32861), (6035, 13531), (8449, 9665)]