81874730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{4133}}^1$

素因数の和:4430

約数の個数: 32

約数和(自身を含む): 169064064

約数和(自身を除く): 87189334

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 283, 566, 1415, 1981, 2830, 3962, 4133, 8266, 9905, 19810, 20665, 28931, 41330, 57862, 144655, 289310, 1169639, 2339278, 5848195, 8187473, 11696390, 16374946, 40937365, 81874730]

約数ペア:

[(1, 81874730), (2, 40937365), (5, 16374946), (7, 11696390), (10, 8187473), (14, 5848195), (35, 2339278), (70, 1169639), (283, 289310), (566, 144655), (1415, 57862), (1981, 41330), (2830, 28931), (3962, 20665), (4133, 19810), (8266, 9905)]