28920325

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2877

約数の個数: 24

約数和(自身を含む): 41693760

約数和(自身を除く): 12773435

約数列:

[1, 5, 7, 25, 35, 59, 175, 295, 413, 1475, 2065, 2801, 10325, 14005, 19607, 70025, 98035, 165259, 490175, 826295, 1156813, 4131475, 5784065, 28920325]

約数ペア:

[(1, 28920325), (5, 5784065), (7, 4131475), (25, 1156813), (35, 826295), (59, 490175), (175, 165259), (295, 98035), (413, 70025), (1475, 19607), (2065, 14005), (2801, 10325)]