71417969

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 88828608

約数和(自身を除く): 17410639

約数列:

[1, 7, 17, 43, 119, 289, 301, 731, 821, 2023, 5117, 5747, 12427, 13957, 35303, 86989, 97699, 237269, 247121, 600151, 1660883, 4201057, 10202567, 71417969]

約数ペア:

[(1, 71417969), (7, 10202567), (17, 4201057), (43, 1660883), (119, 600151), (289, 247121), (301, 237269), (731, 97699), (821, 86989), (2023, 35303), (5117, 13957), (5747, 12427)]