About the Number

138919872

138919871 ← → 138919873

2進数表記:1000010001111011111111000000

漢数字表記:一億三千八百九十一万九千八百七十二

素因数分解:

2 6 × 3 1 × 7 1 × 13 1 × 7951 1

素因数の和:7986
約数の個数: 112
約数和(自身を含む): 452436992
約数和(自身を除く): 313517120

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 416, 448, 546, 624, 672, 728, 832, 1092, 1248, 1344, 1456, 2184, 2496, 2912, 4368, 5824, 7951, 8736, 15902, 17472, 23853, 31804, 47706, 55657, 63608, 95412, 103363, 111314, 127216, 166971, 190824, 206726, 222628, 254432, 310089, 333942, 381648, 413452, 445256, 508864, 620178, 667884, 723541, 763296, 826904, 890512, 1240356, 1335768, 1447082, 1526592, 1653808, 1781024, 2170623, 2480712, 2671536, 2894164, 3307616, 3562048, 4341246, 4961424, 5343072, 5788328, 6615232, 8682492, 9922848, 10686144, 11576656, 17364984, 19845696, 23153312, 34729968, 46306624, 69459936, 138919872]

約数ペア:
[(1, 138919872), (2, 69459936), (3, 46306624), (4, 34729968), (6, 23153312), (7, 19845696), (8, 17364984), (12, 11576656), (13, 10686144), (14, 9922848), (16, 8682492), (21, 6615232), (24, 5788328), (26, 5343072), (28, 4961424), (32, 4341246), (39, 3562048), (42, 3307616), (48, 2894164), (52, 2671536), (56, 2480712), (64, 2170623), (78, 1781024), (84, 1653808), (91, 1526592), (96, 1447082), (104, 1335768), (112, 1240356), (156, 890512), (168, 826904), (182, 763296), (192, 723541), (208, 667884), (224, 620178), (273, 508864), (312, 445256), (336, 413452), (364, 381648), (416, 333942), (448, 310089), (546, 254432), (624, 222628), (672, 206726), (728, 190824), (832, 166971), (1092, 127216), (1248, 111314), (1344, 103363), (1456, 95412), (2184, 63608), (2496, 55657), (2912, 47706), (4368, 31804), (5824, 23853), (7951, 17472), (8736, 15902)]

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