11988145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 17297280

約数和(自身を除く): 5309135

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 571, 1105, 1235, 1615, 2855, 4199, 7423, 9707, 10849, 20995, 37115, 48535, 54245, 126191, 141037, 184433, 630955, 705185, 922165, 2397629, 11988145]

約数ペア:

[(1, 11988145), (5, 2397629), (13, 922165), (17, 705185), (19, 630955), (65, 184433), (85, 141037), (95, 126191), (221, 54245), (247, 48535), (323, 37115), (571, 20995), (1105, 10849), (1235, 9707), (1615, 7423), (2855, 4199)]