81253198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{30341}}^1$

素因数の和:30459

約数の個数: 16

約数和(自身を含む): 132533856

約数和(自身を除く): 51280658

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 30341, 60682, 394433, 788866, 3125123, 6250246, 40626599, 81253198]

約数ペア:

[(1, 81253198), (2, 40626599), (13, 6250246), (26, 3125123), (103, 788866), (206, 394433), (1339, 60682), (2678, 30341)]