81836558

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{3919}}^1$

素因数の和:4171

約数の個数: 16

約数和(自身を含む): 125737920

約数和(自身を除く): 43901362

約数列:

[1, 2, 53, 106, 197, 394, 3919, 7838, 10441, 20882, 207707, 415414, 772043, 1544086, 40918279, 81836558]

約数ペア:

[(1, 81836558), (2, 40918279), (53, 1544086), (106, 772043), (197, 415414), (394, 207707), (3919, 20882), (7838, 10441)]