64839691

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{8219}}^1$

素因数の和:8263

約数の個数: 16

約数和(自身を含む): 78912000

約数和(自身を除く): 14072309

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 8219, 57533, 189037, 402731, 1323259, 2819117, 9262813, 64839691]

約数ペア:

[(1, 64839691), (7, 9262813), (23, 2819117), (49, 1323259), (161, 402731), (343, 189037), (1127, 57533), (7889, 8219)]