128804936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1238509}}^1$

素因数の和:1238528

約数の個数: 16

約数和(自身を含む): 260087100

約数和(自身を除く): 131282164

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1238509, 2477018, 4954036, 9908072, 16100617, 32201234, 64402468, 128804936]

約数ペア:

[(1, 128804936), (2, 64402468), (4, 32201234), (8, 16100617), (13, 9908072), (26, 4954036), (52, 2477018), (104, 1238509)]