16642507

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20010

約数の個数: 12

約数和(自身を含む): 20499480

約数和(自身を除く): 3856973

約数列:

[1, 7, 17, 49, 119, 833, 19979, 139853, 339643, 978971, 2377501, 16642507]

約数ペア:

[(1, 16642507), (7, 2377501), (17, 978971), (49, 339643), (119, 139853), (833, 19979)]