128940422

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{261013}}^1$

素因数の和:261047

約数の個数: 16

約数和(自身を含む): 219251760

約数和(自身を除く): 90311338

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 261013, 522026, 3393169, 4959247, 6786338, 9918494, 64470211, 128940422]

約数ペア:

[(1, 128940422), (2, 64470211), (13, 9918494), (19, 6786338), (26, 4959247), (38, 3393169), (247, 522026), (494, 261013)]