About the Number

29887728

29887727 ← → 29887729

2進数表記:1110010000000110011110000

漢数字表記:二千九百八十八万七千七百二十八

素因数分解:

2 4 × 3 1 × 13 1 × 211 1 × 227 1

素因数の和:462
約数の個数: 80
約数和(自身を含む): 83911296
約数和(自身を除く): 54023568

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 211, 227, 312, 422, 454, 624, 633, 681, 844, 908, 1266, 1362, 1688, 1816, 2532, 2724, 2743, 2951, 3376, 3632, 5064, 5448, 5486, 5902, 8229, 8853, 10128, 10896, 10972, 11804, 16458, 17706, 21944, 23608, 32916, 35412, 43888, 47216, 47897, 65832, 70824, 95794, 131664, 141648, 143691, 191588, 287382, 383176, 574764, 622661, 766352, 1149528, 1245322, 1867983, 2299056, 2490644, 3735966, 4981288, 7471932, 9962576, 14943864, 29887728]

約数ペア:
[(1, 29887728), (2, 14943864), (3, 9962576), (4, 7471932), (6, 4981288), (8, 3735966), (12, 2490644), (13, 2299056), (16, 1867983), (24, 1245322), (26, 1149528), (39, 766352), (48, 622661), (52, 574764), (78, 383176), (104, 287382), (156, 191588), (208, 143691), (211, 141648), (227, 131664), (312, 95794), (422, 70824), (454, 65832), (624, 47897), (633, 47216), (681, 43888), (844, 35412), (908, 32916), (1266, 23608), (1362, 21944), (1688, 17706), (1816, 16458), (2532, 11804), (2724, 10972), (2743, 10896), (2951, 10128), (3376, 8853), (3632, 8229), (5064, 5902), (5448, 5486)]

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