About the Number

128491104

128491103 ← → 128491105

2進数表記:111101010001001111001100000

漢数字表記:一億二千八百四十九万千百四

素因数分解:

2 5 × 3 1 × 7 1 × 367 1 × 521 1

素因数の和:908
約数の個数: 96
約数和(自身を含む): 387265536
約数和(自身を除く): 258774432

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 367, 521, 672, 734, 1042, 1101, 1468, 1563, 2084, 2202, 2569, 2936, 3126, 3647, 4168, 4404, 5138, 5872, 6252, 7294, 7707, 8336, 8808, 10276, 10941, 11744, 12504, 14588, 15414, 16672, 17616, 20552, 21882, 25008, 29176, 30828, 35232, 41104, 43764, 50016, 58352, 61656, 82208, 87528, 116704, 123312, 175056, 191207, 246624, 350112, 382414, 573621, 764828, 1147242, 1338449, 1529656, 2294484, 2676898, 3059312, 4015347, 4588968, 5353796, 6118624, 8030694, 9177936, 10707592, 16061388, 18355872, 21415184, 32122776, 42830368, 64245552, 128491104]

約数ペア:
[(1, 128491104), (2, 64245552), (3, 42830368), (4, 32122776), (6, 21415184), (7, 18355872), (8, 16061388), (12, 10707592), (14, 9177936), (16, 8030694), (21, 6118624), (24, 5353796), (28, 4588968), (32, 4015347), (42, 3059312), (48, 2676898), (56, 2294484), (84, 1529656), (96, 1338449), (112, 1147242), (168, 764828), (224, 573621), (336, 382414), (367, 350112), (521, 246624), (672, 191207), (734, 175056), (1042, 123312), (1101, 116704), (1468, 87528), (1563, 82208), (2084, 61656), (2202, 58352), (2569, 50016), (2936, 43764), (3126, 41104), (3647, 35232), (4168, 30828), (4404, 29176), (5138, 25008), (5872, 21882), (6252, 20552), (7294, 17616), (7707, 16672), (8336, 15414), (8808, 14588), (10276, 12504), (10941, 11744)]

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