81941984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 170755200

約数和(自身を除く): 88813216

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 307, 439, 608, 614, 878, 1228, 1756, 2456, 3512, 4912, 5833, 7024, 8341, 9824, 11666, 14048, 16682, 23332, 33364, 46664, 66728, 93328, 133456, 134773, 186656, 266912, 269546, 539092, 1078184, 2156368, 2560687, 4312736, 5121374, 10242748, 20485496, 40970992, 81941984]

約数ペア:

[(1, 81941984), (2, 40970992), (4, 20485496), (8, 10242748), (16, 5121374), (19, 4312736), (32, 2560687), (38, 2156368), (76, 1078184), (152, 539092), (304, 269546), (307, 266912), (439, 186656), (608, 134773), (614, 133456), (878, 93328), (1228, 66728), (1756, 46664), (2456, 33364), (3512, 23332), (4912, 16682), (5833, 14048), (7024, 11666), (8341, 9824)]