199912855

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1\times {\mathrm{1511}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 245597184

約数和(自身を除く): 45684329

約数列:

[1, 5, 47, 235, 563, 1511, 2815, 7555, 26461, 71017, 132305, 355085, 850693, 4253465, 39982571, 199912855]

約数ペア:

[(1, 199912855), (5, 39982571), (47, 4253465), (235, 850693), (563, 355085), (1511, 132305), (2815, 71017), (7555, 26461)]