78916144

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120299}}^1$

素因数の和:120348

約数の個数: 20

約数和(自身を含む): 156630600

約数和(自身を除く): 77714456

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120299, 240598, 481196, 962392, 1924784, 4932259, 9864518, 19729036, 39458072, 78916144]

約数ペア:

[(1, 78916144), (2, 39458072), (4, 19729036), (8, 9864518), (16, 4932259), (41, 1924784), (82, 962392), (164, 481196), (328, 240598), (656, 120299)]