2563556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 4788000

約数和(自身を除く): 2224444

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 379, 758, 1516, 1691, 3382, 6764, 7201, 14402, 28804, 33731, 67462, 134924, 640889, 1281778, 2563556]

約数ペア:

[(1, 2563556), (2, 1281778), (4, 640889), (19, 134924), (38, 67462), (76, 33731), (89, 28804), (178, 14402), (356, 7201), (379, 6764), (758, 3382), (1516, 1691)]