About the Number

12991424

12991423 ← → 12991425

2進数表記:110001100011101111000000

漢数字表記:千二百九十九万千四百二十四

素因数分解:

2 6 × 41 1 × 4951 1

素因数の和:5004
約数の個数: 28
約数和(自身を含む): 26413968
約数和(自身を除く): 13422544

約数列:
[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 4951, 9902, 19804, 39608, 79216, 158432, 202991, 316864, 405982, 811964, 1623928, 3247856, 6495712, 12991424]

約数ペア:
[(1, 12991424), (2, 6495712), (4, 3247856), (8, 1623928), (16, 811964), (32, 405982), (41, 316864), (64, 202991), (82, 158432), (164, 79216), (328, 39608), (656, 19804), (1312, 9902), (2624, 4951)]

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