81301544

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{30703}}^1$

素因数の和:31040

約数の個数: 16

約数和(自身を含む): 152905920

約数和(自身を除く): 71604376

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 30703, 61406, 122812, 245624, 10162693, 20325386, 40650772, 81301544]

約数ペア:

[(1, 81301544), (2, 40650772), (4, 20325386), (8, 10162693), (331, 245624), (662, 122812), (1324, 61406), (2648, 30703)]