27998788

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{5113}}^1$

素因数の和:5191

約数の個数: 18

約数和(自身を含む): 50367786

約数和(自身を除く): 22368998

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5113, 5476, 10226, 20452, 189181, 378362, 756724, 6999697, 13999394, 27998788]

約数ペア:

[(1, 27998788), (2, 13999394), (4, 6999697), (37, 756724), (74, 378362), (148, 189181), (1369, 20452), (2738, 10226), (5113, 5476)]