61478065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 83462400

約数和(自身を除く): 21984335

約数列:

[1, 5, 11, 41, 55, 137, 199, 205, 451, 685, 995, 1507, 2189, 2255, 5617, 7535, 8159, 10945, 27263, 28085, 40795, 61787, 89749, 136315, 299893, 308935, 448745, 1117783, 1499465, 5588915, 12295613, 61478065]

約数ペア:

[(1, 61478065), (5, 12295613), (11, 5588915), (41, 1499465), (55, 1117783), (137, 448745), (199, 308935), (205, 299893), (451, 136315), (685, 89749), (995, 61787), (1507, 40795), (2189, 28085), (2255, 27263), (5617, 10945), (7535, 8159)]