About the Number

1021668864

1021668863 ← → 1021668865

2進数表記:111100111001010110111000000000

漢数字表記:十億二千百六十六万八千八百六十四

素因数分解:

2 9 × 3 1 × 37 1 × 17977 1

素因数の和:18035
約数の個数: 80
約数和(自身を含む): 2795507088
約数和(自身を除く): 1773838224

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 512, 592, 768, 888, 1184, 1536, 1776, 2368, 3552, 4736, 7104, 9472, 14208, 17977, 18944, 28416, 35954, 53931, 56832, 71908, 107862, 143816, 215724, 287632, 431448, 575264, 665149, 862896, 1150528, 1330298, 1725792, 1995447, 2301056, 2660596, 3451584, 3990894, 4602112, 5321192, 6903168, 7981788, 9204224, 10642384, 13806336, 15963576, 21284768, 27612672, 31927152, 42569536, 63854304, 85139072, 127708608, 170278144, 255417216, 340556288, 510834432, 1021668864]

約数ペア:
[(1, 1021668864), (2, 510834432), (3, 340556288), (4, 255417216), (6, 170278144), (8, 127708608), (12, 85139072), (16, 63854304), (24, 42569536), (32, 31927152), (37, 27612672), (48, 21284768), (64, 15963576), (74, 13806336), (96, 10642384), (111, 9204224), (128, 7981788), (148, 6903168), (192, 5321192), (222, 4602112), (256, 3990894), (296, 3451584), (384, 2660596), (444, 2301056), (512, 1995447), (592, 1725792), (768, 1330298), (888, 1150528), (1184, 862896), (1536, 665149), (1776, 575264), (2368, 431448), (3552, 287632), (4736, 215724), (7104, 143816), (9472, 107862), (14208, 71908), (17977, 56832), (18944, 53931), (28416, 35954)]

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