199028890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{865343}}^1$

素因数の和:865373

約数の個数: 16

約数和(自身を含む): 373828608

約数和(自身を除く): 174799718

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 865343, 1730686, 4326715, 8653430, 19902889, 39805778, 99514445, 199028890]

約数ペア:

[(1, 199028890), (2, 99514445), (5, 39805778), (10, 19902889), (23, 8653430), (46, 4326715), (115, 1730686), (230, 865343)]