13640495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 19160064

約数和(自身を除く): 5519569

約数列:

[1, 5, 11, 23, 41, 55, 115, 205, 253, 263, 451, 943, 1265, 1315, 2255, 2893, 4715, 6049, 10373, 10783, 14465, 30245, 51865, 53915, 66539, 118613, 248009, 332695, 593065, 1240045, 2728099, 13640495]

約数ペア:

[(1, 13640495), (5, 2728099), (11, 1240045), (23, 593065), (41, 332695), (55, 248009), (115, 118613), (205, 66539), (253, 53915), (263, 51865), (451, 30245), (943, 14465), (1265, 10783), (1315, 10373), (2255, 6049), (2893, 4715)]