72020585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9311}}^1$

素因数の和:9353

約数の個数: 32

約数和(自身を含む): 112637952

約数和(自身を除く): 40617367

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 9311, 46555, 65177, 121043, 158287, 325885, 605215, 791435, 847301, 1108009, 2057731, 4236505, 5540045, 10288655, 14404117, 72020585]

約数ペア:

[(1, 72020585), (5, 14404117), (7, 10288655), (13, 5540045), (17, 4236505), (35, 2057731), (65, 1108009), (85, 847301), (91, 791435), (119, 605215), (221, 325885), (455, 158287), (595, 121043), (1105, 65177), (1547, 46555), (7735, 9311)]