About the Number

71216256

71216255 ← → 71216257

2進数表記:100001111101010110010000000

漢数字表記:七千百二十一万六千二百五十六

素因数分解:

2 7 × 3 1 × 19 1 × 43 1 × 227 1

素因数の和:306
約数の個数: 128
約数和(自身を含む): 204652800
約数和(自身を除く): 133436544

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 64, 76, 86, 96, 114, 128, 129, 152, 172, 192, 227, 228, 258, 304, 344, 384, 454, 456, 516, 608, 681, 688, 817, 908, 912, 1032, 1216, 1362, 1376, 1634, 1816, 1824, 2064, 2432, 2451, 2724, 2752, 3268, 3632, 3648, 4128, 4313, 4902, 5448, 5504, 6536, 7264, 7296, 8256, 8626, 9761, 9804, 10896, 12939, 13072, 14528, 16512, 17252, 19522, 19608, 21792, 25878, 26144, 29056, 29283, 34504, 39044, 39216, 43584, 51756, 52288, 58566, 69008, 78088, 78432, 87168, 103512, 104576, 117132, 138016, 156176, 156864, 185459, 207024, 234264, 276032, 312352, 313728, 370918, 414048, 468528, 552064, 556377, 624704, 741836, 828096, 937056, 1112754, 1249408, 1483672, 1656192, 1874112, 2225508, 2967344, 3748224, 4451016, 5934688, 8902032, 11869376, 17804064, 23738752, 35608128, 71216256]

約数ペア:
[(1, 71216256), (2, 35608128), (3, 23738752), (4, 17804064), (6, 11869376), (8, 8902032), (12, 5934688), (16, 4451016), (19, 3748224), (24, 2967344), (32, 2225508), (38, 1874112), (43, 1656192), (48, 1483672), (57, 1249408), (64, 1112754), (76, 937056), (86, 828096), (96, 741836), (114, 624704), (128, 556377), (129, 552064), (152, 468528), (172, 414048), (192, 370918), (227, 313728), (228, 312352), (258, 276032), (304, 234264), (344, 207024), (384, 185459), (454, 156864), (456, 156176), (516, 138016), (608, 117132), (681, 104576), (688, 103512), (817, 87168), (908, 78432), (912, 78088), (1032, 69008), (1216, 58566), (1362, 52288), (1376, 51756), (1634, 43584), (1816, 39216), (1824, 39044), (2064, 34504), (2432, 29283), (2451, 29056), (2724, 26144), (2752, 25878), (3268, 21792), (3632, 19608), (3648, 19522), (4128, 17252), (4313, 16512), (4902, 14528), (5448, 13072), (5504, 12939), (6536, 10896), (7264, 9804), (7296, 9761), (8256, 8626)]

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