51564947

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 60299712

約数和(自身を除く): 8734765

約数列:

[1, 7, 61, 197, 427, 613, 1379, 4291, 12017, 37393, 84119, 120761, 261751, 845327, 7366421, 51564947]

約数ペア:

[(1, 51564947), (7, 7366421), (61, 845327), (197, 261751), (427, 120761), (613, 84119), (1379, 37393), (4291, 12017)]