203921965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 279377280

約数和(自身を除く): 75455315

約数列:

[1, 5, 13, 19, 65, 95, 163, 247, 815, 1013, 1235, 2119, 3097, 5065, 10595, 13169, 15485, 19247, 40261, 65845, 96235, 165119, 201305, 250211, 825595, 1251055, 2146547, 3137261, 10732735, 15686305, 40784393, 203921965]

約数ペア:

[(1, 203921965), (5, 40784393), (13, 15686305), (19, 10732735), (65, 3137261), (95, 2146547), (163, 1251055), (247, 825595), (815, 250211), (1013, 201305), (1235, 165119), (2119, 96235), (3097, 65845), (5065, 40261), (10595, 19247), (13169, 15485)]