123198815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 157921920

約数和(自身を除く): 34723105

約数列:

[1, 5, 29, 73, 103, 113, 145, 365, 515, 565, 2117, 2987, 3277, 7519, 8249, 10585, 11639, 14935, 16385, 37595, 41245, 58195, 218051, 239221, 337531, 849647, 1090255, 1196105, 1687655, 4248235, 24639763, 123198815]

約数ペア:

[(1, 123198815), (5, 24639763), (29, 4248235), (73, 1687655), (103, 1196105), (113, 1090255), (145, 849647), (365, 337531), (515, 239221), (565, 218051), (2117, 58195), (2987, 41245), (3277, 37595), (7519, 16385), (8249, 14935), (10585, 11639)]