647597824

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 1369316480

約数和(自身を除く): 721718656

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 256, 304, 422, 608, 631, 844, 1216, 1262, 1688, 2432, 2524, 3376, 4009, 4864, 5048, 6752, 8018, 10096, 11989, 13504, 16036, 20192, 23978, 27008, 32072, 40384, 47956, 54016, 64144, 80768, 95912, 128288, 133141, 161536, 191824, 256576, 266282, 383648, 513152, 532564, 767296, 1026304, 1065128, 1534592, 2130256, 2529679, 3069184, 4260512, 5059358, 8521024, 10118716, 17042048, 20237432, 34084096, 40474864, 80949728, 161899456, 323798912, 647597824]

約数ペア:

[(1, 647597824), (2, 323798912), (4, 161899456), (8, 80949728), (16, 40474864), (19, 34084096), (32, 20237432), (38, 17042048), (64, 10118716), (76, 8521024), (128, 5059358), (152, 4260512), (211, 3069184), (256, 2529679), (304, 2130256), (422, 1534592), (608, 1065128), (631, 1026304), (844, 767296), (1216, 532564), (1262, 513152), (1688, 383648), (2432, 266282), (2524, 256576), (3376, 191824), (4009, 161536), (4864, 133141), (5048, 128288), (6752, 95912), (8018, 80768), (10096, 64144), (11989, 54016), (13504, 47956), (16036, 40384), (20192, 32072), (23978, 27008)]