64521821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19163}}^1$

素因数の和:19220

約数の個数: 16

約数和(自身を含む): 81561984

約数和(自身を除く): 17040163

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 19163, 134141, 249119, 709031, 1743833, 4963217, 9217403, 64521821]

約数ペア:

[(1, 64521821), (7, 9217403), (13, 4963217), (37, 1743833), (91, 709031), (259, 249119), (481, 134141), (3367, 19163)]