81984770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37781}}^1$

素因数の和:37826

約数の個数: 32

約数和(自身を含む): 174099456

約数和(自身を除く): 92114686

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 37781, 75562, 188905, 264467, 377810, 528934, 1171211, 1322335, 2342422, 2644670, 5856055, 8198477, 11712110, 16396954, 40992385, 81984770]

約数ペア:

[(1, 81984770), (2, 40992385), (5, 16396954), (7, 11712110), (10, 8198477), (14, 5856055), (31, 2644670), (35, 2342422), (62, 1322335), (70, 1171211), (155, 528934), (217, 377810), (310, 264467), (434, 188905), (1085, 75562), (2170, 37781)]