251011458

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{106451}}^1$

素因数の和:106590

約数の個数: 24

約数和(自身を含む): 548014896

約数和(自身を除く): 297003438

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 106451, 212902, 319353, 638706, 958059, 1916118, 13945081, 27890162, 41835243, 83670486, 125505729, 251011458]

約数ペア:

[(1, 251011458), (2, 125505729), (3, 83670486), (6, 41835243), (9, 27890162), (18, 13945081), (131, 1916118), (262, 958059), (393, 638706), (786, 319353), (1179, 212902), (2358, 106451)]