421810688

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:657

約数の個数: 80

約数和(自身を含む): 916608000

約数和(自身を除く): 494797312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 499, 508, 512, 832, 998, 1016, 1651, 1664, 1996, 2032, 3302, 3328, 3992, 4064, 6487, 6604, 6656, 7984, 8128, 12974, 13208, 15968, 16256, 25948, 26416, 31936, 32512, 51896, 52832, 63373, 63872, 65024, 103792, 105664, 126746, 127744, 207584, 211328, 253492, 255488, 415168, 422656, 506984, 823849, 830336, 845312, 1013968, 1647698, 1660672, 2027936, 3295396, 3321344, 4055872, 6590792, 8111744, 13181584, 16223488, 26363168, 32446976, 52726336, 105452672, 210905344, 421810688]

約数ペア:

[(1, 421810688), (2, 210905344), (4, 105452672), (8, 52726336), (13, 32446976), (16, 26363168), (26, 16223488), (32, 13181584), (52, 8111744), (64, 6590792), (104, 4055872), (127, 3321344), (128, 3295396), (208, 2027936), (254, 1660672), (256, 1647698), (416, 1013968), (499, 845312), (508, 830336), (512, 823849), (832, 506984), (998, 422656), (1016, 415168), (1651, 255488), (1664, 253492), (1996, 211328), (2032, 207584), (3302, 127744), (3328, 126746), (3992, 105664), (4064, 103792), (6487, 65024), (6604, 63872), (6656, 63373), (7984, 52832), (8128, 51896), (12974, 32512), (13208, 31936), (15968, 26416), (16256, 25948)]