28331215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1381}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 37214496

約数和(自身を除く): 8883281

約数列:

[1, 5, 11, 55, 373, 1381, 1865, 4103, 6905, 15191, 20515, 75955, 515113, 2575565, 5666243, 28331215]

約数ペア:

[(1, 28331215), (5, 5666243), (11, 2575565), (55, 515113), (373, 75955), (1381, 20515), (1865, 15191), (4103, 6905)]