128939188

素因数分解:

$2^2\times 7^3\times {\mathrm{93979}}^1$

素因数の和:94004

約数の個数: 24

約数和(自身を含む): 263144000

約数和(自身を除く): 134204812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 93979, 187958, 375916, 657853, 1315706, 2631412, 4604971, 9209942, 18419884, 32234797, 64469594, 128939188]

約数ペア:

[(1, 128939188), (2, 64469594), (4, 32234797), (7, 18419884), (14, 9209942), (28, 4604971), (49, 2631412), (98, 1315706), (196, 657853), (343, 375916), (686, 187958), (1372, 93979)]