72647407

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4021}}^1$

素因数の和:4146

約数の個数: 16

約数和(自身を含む): 86875200

約数和(自身を除く): 14227793

約数列:

[1, 7, 29, 89, 203, 623, 2581, 4021, 18067, 28147, 116609, 357869, 816263, 2505083, 10378201, 72647407]

約数ペア:

[(1, 72647407), (7, 10378201), (29, 2505083), (89, 816263), (203, 357869), (623, 116609), (2581, 28147), (4021, 18067)]