About the Number

127991232

127991231 ← → 127991233

2進数表記:111101000001111110111000000

漢数字表記:一億二千七百九十九万千二百三十二

素因数分解:

2 6 × 3 3 × 17 1 × 4357 1

素因数の和:4395
約数の個数: 112
約数和(自身を含む): 398495520
約数和(自身を除く): 270504288

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 64, 68, 72, 96, 102, 108, 136, 144, 153, 192, 204, 216, 272, 288, 306, 408, 432, 459, 544, 576, 612, 816, 864, 918, 1088, 1224, 1632, 1728, 1836, 2448, 3264, 3672, 4357, 4896, 7344, 8714, 9792, 13071, 14688, 17428, 26142, 29376, 34856, 39213, 52284, 69712, 74069, 78426, 104568, 117639, 139424, 148138, 156852, 209136, 222207, 235278, 278848, 296276, 313704, 418272, 444414, 470556, 592552, 627408, 666621, 836544, 888828, 941112, 1185104, 1254816, 1333242, 1777656, 1882224, 1999863, 2370208, 2509632, 2666484, 3555312, 3764448, 3999726, 4740416, 5332968, 7110624, 7528896, 7999452, 10665936, 14221248, 15998904, 21331872, 31997808, 42663744, 63995616, 127991232]

約数ペア:
[(1, 127991232), (2, 63995616), (3, 42663744), (4, 31997808), (6, 21331872), (8, 15998904), (9, 14221248), (12, 10665936), (16, 7999452), (17, 7528896), (18, 7110624), (24, 5332968), (27, 4740416), (32, 3999726), (34, 3764448), (36, 3555312), (48, 2666484), (51, 2509632), (54, 2370208), (64, 1999863), (68, 1882224), (72, 1777656), (96, 1333242), (102, 1254816), (108, 1185104), (136, 941112), (144, 888828), (153, 836544), (192, 666621), (204, 627408), (216, 592552), (272, 470556), (288, 444414), (306, 418272), (408, 313704), (432, 296276), (459, 278848), (544, 235278), (576, 222207), (612, 209136), (816, 156852), (864, 148138), (918, 139424), (1088, 117639), (1224, 104568), (1632, 78426), (1728, 74069), (1836, 69712), (2448, 52284), (3264, 39213), (3672, 34856), (4357, 29376), (4896, 26142), (7344, 17428), (8714, 14688), (9792, 13071)]

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