247841218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{20929}}^1$

素因数の和:21153

約数の個数: 16

約数和(自身を含む): 385781760

約数和(自身を除く): 137940542

約数列:

[1, 2, 31, 62, 191, 382, 5921, 11842, 20929, 41858, 648799, 1297598, 3997439, 7994878, 123920609, 247841218]

約数ペア:

[(1, 247841218), (2, 123920609), (31, 7994878), (62, 3997439), (191, 1297598), (382, 648799), (5921, 41858), (11842, 20929)]