199955905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{91513}}^1$

素因数の和:91560

約数の個数: 16

約数和(自身を含む): 263560320

約数和(自身を除く): 63604415

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 91513, 457565, 1738747, 2104799, 8693735, 10523995, 39991181, 199955905]

約数ペア:

[(1, 199955905), (5, 39991181), (19, 10523995), (23, 8693735), (95, 2104799), (115, 1738747), (437, 457565), (2185, 91513)]