191131390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{189239}}^1$

素因数の和:189347

約数の個数: 16

約数和(自身を含む): 347444640

約数和(自身を除く): 156313250

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 189239, 378478, 946195, 1892390, 19113139, 38226278, 95565695, 191131390]

約数ペア:

[(1, 191131390), (2, 95565695), (5, 38226278), (10, 19113139), (101, 1892390), (202, 946195), (505, 378478), (1010, 189239)]