28928425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 37418240

約数和(自身を除く): 8489815

約数列:

[1, 5, 25, 31, 155, 163, 229, 775, 815, 1145, 4075, 5053, 5725, 7099, 25265, 35495, 37327, 126325, 177475, 186635, 933175, 1157137, 5785685, 28928425]

約数ペア:

[(1, 28928425), (5, 5785685), (25, 1157137), (31, 933175), (155, 186635), (163, 177475), (229, 126325), (775, 37327), (815, 35495), (1145, 25265), (4075, 7099), (5053, 5725)]