51039664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245383}}^1$

素因数の和:245404

約数の個数: 20

約数和(自身を含む): 106496656

約数和(自身を除く): 55456992

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245383, 490766, 981532, 1963064, 3189979, 3926128, 6379958, 12759916, 25519832, 51039664]

約数ペア:

[(1, 51039664), (2, 25519832), (4, 12759916), (8, 6379958), (13, 3926128), (16, 3189979), (26, 1963064), (52, 981532), (104, 490766), (208, 245383)]