259221170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{4441}}^1$

素因数の和:4910

約数の個数: 32

約数和(自身を含む): 503722800

約数和(自身を除く): 244501630

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4441, 4490, 5837, 8882, 11674, 22205, 29185, 44410, 57733, 58370, 115466, 288665, 577330, 1994009, 3988018, 9970045, 19940090, 25922117, 51844234, 129610585, 259221170]

約数ペア:

[(1, 259221170), (2, 129610585), (5, 51844234), (10, 25922117), (13, 19940090), (26, 9970045), (65, 3988018), (130, 1994009), (449, 577330), (898, 288665), (2245, 115466), (4441, 58370), (4490, 57733), (5837, 44410), (8882, 29185), (11674, 22205)]