199072015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{42221}}^1$

素因数の和:42290

約数の個数: 16

約数和(自身を含む): 255358656

約数和(自身を除く): 56286641

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 42221, 211105, 971083, 1731061, 4855415, 8655305, 39814403, 199072015]

約数ペア:

[(1, 199072015), (5, 39814403), (23, 8655305), (41, 4855415), (115, 1731061), (205, 971083), (943, 211105), (4715, 42221)]