28854245

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 40953600

約数和(自身を除く): 12099355

約数列:

[1, 5, 7, 35, 59, 89, 157, 295, 413, 445, 623, 785, 1099, 2065, 3115, 5251, 5495, 9263, 13973, 26255, 36757, 46315, 64841, 69865, 97811, 183785, 324205, 489055, 824407, 4122035, 5770849, 28854245]

約数ペア:

[(1, 28854245), (5, 5770849), (7, 4122035), (35, 824407), (59, 489055), (89, 324205), (157, 183785), (295, 97811), (413, 69865), (445, 64841), (623, 46315), (785, 36757), (1099, 26255), (2065, 13973), (3115, 9263), (5251, 5495)]