26521495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 43551648

約数和(自身を除く): 17030153

約数列:

[1, 5, 7, 11, 13, 35, 49, 55, 65, 77, 91, 143, 245, 385, 455, 539, 637, 715, 757, 1001, 2695, 3185, 3785, 5005, 5299, 7007, 8327, 9841, 26495, 35035, 37093, 41635, 49205, 58289, 68887, 108251, 185465, 291445, 344435, 408023, 482209, 541255, 757757, 2040115, 2411045, 3788785, 5304299, 26521495]

約数ペア:

[(1, 26521495), (5, 5304299), (7, 3788785), (11, 2411045), (13, 2040115), (35, 757757), (49, 541255), (55, 482209), (65, 408023), (77, 344435), (91, 291445), (143, 185465), (245, 108251), (385, 68887), (455, 58289), (539, 49205), (637, 41635), (715, 37093), (757, 35035), (1001, 26495), (2695, 9841), (3185, 8327), (3785, 7007), (5005, 5299)]