128895026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{19751}}^1$

素因数の和:20017

約数の個数: 16

約数和(自身を含む): 209055168

約数和(自身を除く): 80160142

約数列:

[1, 2, 13, 26, 251, 502, 3263, 6526, 19751, 39502, 256763, 513526, 4957501, 9915002, 64447513, 128895026]

約数ペア:

[(1, 128895026), (2, 64447513), (13, 9915002), (26, 4957501), (251, 513526), (502, 256763), (3263, 39502), (6526, 19751)]