205258417

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 265305600

約数和(自身を除く): 60047183

約数列:

[1, 7, 13, 23, 91, 161, 281, 299, 349, 1967, 2093, 2443, 3653, 4537, 6463, 8027, 25571, 31759, 45241, 56189, 84019, 98069, 104351, 588133, 686483, 730457, 1274897, 2255587, 8924279, 15789109, 29322631, 205258417]

約数ペア:

[(1, 205258417), (7, 29322631), (13, 15789109), (23, 8924279), (91, 2255587), (161, 1274897), (281, 730457), (299, 686483), (349, 588133), (1967, 104351), (2093, 98069), (2443, 84019), (3653, 56189), (4537, 45241), (6463, 31759), (8027, 25571)]