207978221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{30059}}^1$

素因数の和:30124

約数の個数: 16

約数和(自身を含む): 246732480

約数和(自身を除く): 38754259

約数列:

[1, 11, 17, 37, 187, 407, 629, 6919, 30059, 330649, 511003, 1112183, 5621033, 12234013, 18907111, 207978221]

約数ペア:

[(1, 207978221), (11, 18907111), (17, 12234013), (37, 5621033), (187, 1112183), (407, 511003), (629, 330649), (6919, 30059)]