81774790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{79393}}^1$

素因数の和:79503

約数の個数: 16

約数和(自身を含む): 148625568

約数和(自身を除く): 66850778

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 79393, 158786, 396965, 793930, 8177479, 16354958, 40887395, 81774790]

約数ペア:

[(1, 81774790), (2, 40887395), (5, 16354958), (10, 8177479), (103, 793930), (206, 396965), (515, 158786), (1030, 79393)]