54688465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20521}}^1$

素因数の和:20580

約数の個数: 16

約数和(自身を含む): 72401616

約数和(自身を除く): 17713151

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 20521, 102605, 266773, 841361, 1333865, 4206805, 10937693, 54688465]

約数ペア:

[(1, 54688465), (5, 10937693), (13, 4206805), (41, 1333865), (65, 841361), (205, 266773), (533, 102605), (2665, 20521)]