66712465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{3389}}^1$

素因数の和:3552

約数の個数: 16

約数和(自身を含む): 83312640

約数和(自身を除く): 16600175

約数列:

[1, 5, 31, 127, 155, 635, 3389, 3937, 16945, 19685, 105059, 430403, 525295, 2152015, 13342493, 66712465]

約数ペア:

[(1, 66712465), (5, 13342493), (31, 2152015), (127, 525295), (155, 430403), (635, 105059), (3389, 19685), (3937, 16945)]