121100018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{87881}}^1$

素因数の和:87949

約数の個数: 16

約数和(自身を含む): 199316376

約数和(自身を除く): 78216358

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 87881, 175762, 1142453, 2284906, 4657693, 9315386, 60550009, 121100018]

約数ペア:

[(1, 121100018), (2, 60550009), (13, 9315386), (26, 4657693), (53, 2284906), (106, 1142453), (689, 175762), (1378, 87881)]