81627370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43651}}^1$

素因数の和:43686

約数の個数: 32

約数和(自身を含む): 169718976

約数和(自身を除く): 88091606

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 43651, 87302, 218255, 436510, 480161, 742067, 960322, 1484134, 2400805, 3710335, 4801610, 7420670, 8162737, 16325474, 40813685, 81627370]

約数ペア:

[(1, 81627370), (2, 40813685), (5, 16325474), (10, 8162737), (11, 7420670), (17, 4801610), (22, 3710335), (34, 2400805), (55, 1484134), (85, 960322), (110, 742067), (170, 480161), (187, 436510), (374, 218255), (935, 87302), (1870, 43651)]