42138434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^2$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 69612732

約数和(自身を除く): 27474298

約数列:

[1, 2, 13, 26, 61, 122, 163, 326, 793, 1586, 2119, 4238, 9943, 19886, 26569, 53138, 129259, 258518, 345397, 690794, 1620709, 3241418, 21069217, 42138434]

約数ペア:

[(1, 42138434), (2, 21069217), (13, 3241418), (26, 1620709), (61, 690794), (122, 345397), (163, 258518), (326, 129259), (793, 53138), (1586, 26569), (2119, 19886), (4238, 9943)]