2158403905

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{4409}}^1$

素因数の和:4689

約数の個数: 32

約数和(自身を含む): 3017710080

約数和(自身を除く): 859306175

約数列:

[1, 5, 7, 35, 71, 197, 355, 497, 985, 1379, 2485, 4409, 6895, 13987, 22045, 30863, 69935, 97909, 154315, 313039, 489545, 868573, 1565195, 2191273, 4342865, 6080011, 10956365, 30400055, 61668683, 308343415, 431680781, 2158403905]

約数ペア:

[(1, 2158403905), (5, 431680781), (7, 308343415), (35, 61668683), (71, 30400055), (197, 10956365), (355, 6080011), (497, 4342865), (985, 2191273), (1379, 1565195), (2485, 868573), (4409, 489545), (6895, 313039), (13987, 154315), (22045, 97909), (30863, 69935)]