81340364

素因数分解:

$2^2\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{1801}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 162871968

約数和(自身を除く): 81531604

約数列:

[1, 2, 4, 7, 14, 28, 1613, 1801, 3226, 3602, 6452, 7204, 11291, 12607, 22582, 25214, 45164, 50428, 2905013, 5810026, 11620052, 20335091, 40670182, 81340364]

約数ペア:

[(1, 81340364), (2, 40670182), (4, 20335091), (7, 11620052), (14, 5810026), (28, 2905013), (1613, 50428), (1801, 45164), (3226, 25214), (3602, 22582), (6452, 12607), (7204, 11291)]