8989225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 13157888

約数和(自身を除く): 4168663

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 1657, 5425, 8285, 11599, 41425, 51367, 57995, 256835, 289975, 359569, 1284175, 1797845, 8989225]

約数ペア:

[(1, 8989225), (5, 1797845), (7, 1284175), (25, 359569), (31, 289975), (35, 256835), (155, 57995), (175, 51367), (217, 41425), (775, 11599), (1085, 8285), (1657, 5425)]