255396428

素因数分解:

$2^2\times 7^3\times {\mathrm{186149}}^1$

素因数の和:186174

約数の個数: 24

約数和(自身を含む): 521220000

約数和(自身を除く): 265823572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 186149, 372298, 744596, 1303043, 2606086, 5212172, 9121301, 18242602, 36485204, 63849107, 127698214, 255396428]

約数ペア:

[(1, 255396428), (2, 127698214), (4, 63849107), (7, 36485204), (14, 18242602), (28, 9121301), (49, 5212172), (98, 2606086), (196, 1303043), (343, 744596), (686, 372298), (1372, 186149)]