25511398

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:684

約数の個数: 24

約数和(自身を含む): 42325920

約数和(自身を除く): 16814522

約数列:

[1, 2, 11, 22, 121, 242, 271, 389, 542, 778, 2981, 4279, 5962, 8558, 32791, 47069, 65582, 94138, 105419, 210838, 1159609, 2319218, 12755699, 25511398]

約数ペア:

[(1, 25511398), (2, 12755699), (11, 2319218), (22, 1159609), (121, 210838), (242, 105419), (271, 94138), (389, 65582), (542, 47069), (778, 32791), (2981, 8558), (4279, 5962)]