666128884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{25847}}^1$

素因数の和:26247

約数の個数: 24

約数和(自身を含む): 1237602240

約数和(自身を除く): 571473356

約数列:

[1, 2, 4, 17, 34, 68, 379, 758, 1516, 6443, 12886, 25772, 25847, 51694, 103388, 439399, 878798, 1757596, 9796013, 19592026, 39184052, 166532221, 333064442, 666128884]

約数ペア:

[(1, 666128884), (2, 333064442), (4, 166532221), (17, 39184052), (34, 19592026), (68, 9796013), (379, 1757596), (758, 878798), (1516, 439399), (6443, 103388), (12886, 51694), (25772, 25847)]