28852525

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{6829}}^1$

素因数の和:6865

約数の個数: 18

約数和(自身を含む): 38746590

約数和(自身を除く): 9894065

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 6829, 34145, 88777, 170725, 443885, 1154101, 2219425, 5770505, 28852525]

約数ペア:

[(1, 28852525), (5, 5770505), (13, 2219425), (25, 1154101), (65, 443885), (169, 170725), (325, 88777), (845, 34145), (4225, 6829)]