258889364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1171}}^1\times {\mathrm{2909}}^1$

素因数の和:4103

約数の個数: 24

約数和(自身を含む): 477472800

約数和(自身を除く): 218583436

約数列:

[1, 2, 4, 19, 38, 76, 1171, 2342, 2909, 4684, 5818, 11636, 22249, 44498, 55271, 88996, 110542, 221084, 3406439, 6812878, 13625756, 64722341, 129444682, 258889364]

約数ペア:

[(1, 258889364), (2, 129444682), (4, 64722341), (19, 13625756), (38, 6812878), (76, 3406439), (1171, 221084), (2342, 110542), (2909, 88996), (4684, 55271), (5818, 44498), (11636, 22249)]