78913870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18481}}^1$

素因数の和:18556

約数の個数: 32

約数和(自身を含む): 165007296

約数和(自身を除く): 86093426

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 18481, 36962, 92405, 129367, 184810, 258734, 646835, 1127341, 1293670, 2254682, 5636705, 7891387, 11273410, 15782774, 39456935, 78913870]

約数ペア:

[(1, 78913870), (2, 39456935), (5, 15782774), (7, 11273410), (10, 7891387), (14, 5636705), (35, 2254682), (61, 1293670), (70, 1127341), (122, 646835), (305, 258734), (427, 184810), (610, 129367), (854, 92405), (2135, 36962), (4270, 18481)]