81910996

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{761}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 145938240

約数和(自身を除く): 64027244

約数列:

[1, 2, 4, 71, 142, 284, 379, 758, 761, 1516, 1522, 3044, 26909, 53818, 54031, 107636, 108062, 216124, 288419, 576838, 1153676, 20477749, 40955498, 81910996]

約数ペア:

[(1, 81910996), (2, 40955498), (4, 20477749), (71, 1153676), (142, 576838), (284, 288419), (379, 216124), (758, 108062), (761, 107636), (1516, 54031), (1522, 53818), (3044, 26909)]