28911910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 54058752

約数和(自身を除く): 25146842

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 947, 1894, 3053, 4735, 6106, 9470, 15265, 30530, 40721, 67237, 81442, 134474, 203605, 336185, 407210, 672370, 2891191, 5782382, 14455955, 28911910]

約数ペア:

[(1, 28911910), (2, 14455955), (5, 5782382), (10, 2891191), (43, 672370), (71, 407210), (86, 336185), (142, 203605), (215, 134474), (355, 81442), (430, 67237), (710, 40721), (947, 30530), (1894, 15265), (3053, 9470), (4735, 6106)]