128919902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{9721}}^1$

素因数の和:10091

約数の個数: 16

約数和(自身を含む): 204162000

約数和(自身を除く): 75242098

約数列:

[1, 2, 19, 38, 349, 698, 6631, 9721, 13262, 19442, 184699, 369398, 3392629, 6785258, 64459951, 128919902]

約数ペア:

[(1, 128919902), (2, 64459951), (19, 6785258), (38, 3392629), (349, 369398), (698, 184699), (6631, 19442), (9721, 13262)]