25831415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 9077641

約数列:

[1, 5, 17, 23, 73, 85, 115, 181, 365, 391, 905, 1241, 1679, 1955, 3077, 4163, 6205, 8395, 13213, 15385, 20815, 28543, 66065, 70771, 142715, 224621, 303899, 353855, 1123105, 1519495, 5166283, 25831415]

約数ペア:

[(1, 25831415), (5, 5166283), (17, 1519495), (23, 1123105), (73, 353855), (85, 303899), (115, 224621), (181, 142715), (365, 70771), (391, 66065), (905, 28543), (1241, 20815), (1679, 15385), (1955, 13213), (3077, 8395), (4163, 6205)]