161749315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{821}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 239734656

約数和(自身を除く): 77985341

約数列:

[1, 5, 7, 13, 35, 65, 91, 433, 455, 821, 2165, 3031, 4105, 5629, 5747, 10673, 15155, 28145, 28735, 39403, 53365, 74711, 197015, 355493, 373555, 1777465, 2488451, 4621409, 12442255, 23107045, 32349863, 161749315]

約数ペア:

[(1, 161749315), (5, 32349863), (7, 23107045), (13, 12442255), (35, 4621409), (65, 2488451), (91, 1777465), (433, 373555), (455, 355493), (821, 197015), (2165, 74711), (3031, 53365), (4105, 39403), (5629, 28735), (5747, 28145), (10673, 15155)]