64618561

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 75879936

約数和(自身を除く): 11261375

約数列:

[1, 7, 47, 197, 329, 997, 1379, 6979, 9259, 46859, 64813, 196409, 328013, 1374863, 9231223, 64618561]

約数ペア:

[(1, 64618561), (7, 9231223), (47, 1374863), (197, 328013), (329, 196409), (997, 64813), (1379, 46859), (6979, 9259)]