28475090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2591}}^1$

素因数の和:2762

約数の個数: 32

約数和(自身を含む): 58973184

約数和(自身を除く): 30498094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 2591, 5182, 5495, 10990, 12955, 18137, 25910, 36274, 90685, 181370, 406787, 813574, 2033935, 2847509, 4067870, 5695018, 14237545, 28475090]

約数ペア:

[(1, 28475090), (2, 14237545), (5, 5695018), (7, 4067870), (10, 2847509), (14, 2033935), (35, 813574), (70, 406787), (157, 181370), (314, 90685), (785, 36274), (1099, 25910), (1570, 18137), (2198, 12955), (2591, 10990), (5182, 5495)]