218726512

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{107641}}^1$

素因数の和:107776

約数の個数: 20

約数和(自身を含む): 427123456

約数和(自身を除く): 208396944

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 107641, 215282, 430564, 861128, 1722256, 13670407, 27340814, 54681628, 109363256, 218726512]

約数ペア:

[(1, 218726512), (2, 109363256), (4, 54681628), (8, 27340814), (16, 13670407), (127, 1722256), (254, 861128), (508, 430564), (1016, 215282), (2032, 107641)]