78978544

素因数分解:

$2^4\times {\mathrm{1109}}^1\times {\mathrm{4451}}^1$

素因数の和:5568

約数の個数: 20

約数和(自身を含む): 153193320

約数和(自身を除く): 74214776

約数列:

[1, 2, 4, 8, 16, 1109, 2218, 4436, 4451, 8872, 8902, 17744, 17804, 35608, 71216, 4936159, 9872318, 19744636, 39489272, 78978544]

約数ペア:

[(1, 78978544), (2, 39489272), (4, 19744636), (8, 9872318), (16, 4936159), (1109, 71216), (2218, 35608), (4436, 17804), (4451, 17744), (8872, 8902)]