71280976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{342697}}^1$

素因数の和:342718

約数の個数: 20

約数和(自身を含む): 148730932

約数和(自身を除く): 77449956

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 342697, 685394, 1370788, 2741576, 4455061, 5483152, 8910122, 17820244, 35640488, 71280976]

約数ペア:

[(1, 71280976), (2, 35640488), (4, 17820244), (8, 8910122), (13, 5483152), (16, 4455061), (26, 2741576), (52, 1370788), (104, 685394), (208, 342697)]