128230778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{5197}}^1$

素因数の和:5298

約数の個数: 24

約数和(自身を含む): 211173948

約数和(自身を除く): 82943170

約数列:

[1, 2, 13, 26, 73, 146, 169, 338, 949, 1898, 5197, 10394, 12337, 24674, 67561, 135122, 379381, 758762, 878293, 1756586, 4931953, 9863906, 64115389, 128230778]

約数ペア:

[(1, 128230778), (2, 64115389), (13, 9863906), (26, 4931953), (73, 1756586), (146, 878293), (169, 758762), (338, 379381), (949, 135122), (1898, 67561), (5197, 24674), (10394, 12337)]