64439545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21881}}^1$

素因数の和:21936

約数の個数: 16

約数和(自身を含む): 84026880

約数和(自身を除く): 19587335

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 21881, 109405, 415739, 678311, 2078695, 3391555, 12887909, 64439545]

約数ペア:

[(1, 64439545), (5, 12887909), (19, 3391555), (31, 2078695), (95, 678311), (155, 415739), (589, 109405), (2945, 21881)]