About the Number

29126981

29126980 ← → 29126982

2進数表記:1101111000111000101000101

漢数字表記:二千九百十二万六千九百八十一

素因数分解:

13 2 × 19 1 × 47 1 × 193 1

素因数の和:285
約数の個数: 24
約数和(自身を含む): 34081920
約数和(自身を除く): 4954939

約数列:
[1, 13, 19, 47, 169, 193, 247, 611, 893, 2509, 3211, 3667, 7943, 9071, 11609, 32617, 47671, 117923, 150917, 172349, 619723, 1532999, 2240537, 29126981]

約数ペア:
[(1, 29126981), (13, 2240537), (19, 1532999), (47, 619723), (169, 172349), (193, 150917), (247, 117923), (611, 47671), (893, 32617), (2509, 11609), (3211, 9071), (3667, 7943)]

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