400692041984

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{169817}}^1$

素因数の和:170555

約数の個数: 72

約数和(自身を含む): 862563360120

約数和(自身を除く): 461871318136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 709, 832, 1418, 1664, 2836, 3328, 5672, 9217, 11344, 18434, 22688, 36868, 45376, 73736, 90752, 147472, 169817, 181504, 294944, 339634, 589888, 679268, 1179776, 1358536, 2207621, 2359552, 2717072, 4415242, 5434144, 8830484, 10868288, 17660968, 21736576, 35321936, 43473152, 70643872, 120400253, 141287744, 240800506, 282575488, 481601012, 565150976, 963202024, 1565203289, 1926404048, 3130406578, 3852808096, 6260813156, 7705616192, 12521626312, 15411232384, 25043252624, 30822464768, 50086505248, 100173010496, 200346020992, 400692041984]

約数ペア:

[(1, 400692041984), (2, 200346020992), (4, 100173010496), (8, 50086505248), (13, 30822464768), (16, 25043252624), (26, 15411232384), (32, 12521626312), (52, 7705616192), (64, 6260813156), (104, 3852808096), (128, 3130406578), (208, 1926404048), (256, 1565203289), (416, 963202024), (709, 565150976), (832, 481601012), (1418, 282575488), (1664, 240800506), (2836, 141287744), (3328, 120400253), (5672, 70643872), (9217, 43473152), (11344, 35321936), (18434, 21736576), (22688, 17660968), (36868, 10868288), (45376, 8830484), (73736, 5434144), (90752, 4415242), (147472, 2717072), (169817, 2359552), (181504, 2207621), (294944, 1358536), (339634, 1179776), (589888, 679268)]