About the Number

201218628

201218627 ← → 201218629

2進数表記:1011111111100101101001000100

漢数字表記:二億百二十一万八千六百二十八

素因数分解:

2 2 × 3 1 × 13 1 × 23 1 × 56081 1

素因数の和:56124
約数の個数: 48
約数和(自身を含む): 527619456
約数和(自身を除く): 326400828

約数列:
[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 56081, 112162, 168243, 224324, 336486, 672972, 729053, 1289863, 1458106, 2187159, 2579726, 2916212, 3869589, 4374318, 5159452, 7739178, 8748636, 15478356, 16768219, 33536438, 50304657, 67072876, 100609314, 201218628]

約数ペア:
[(1, 201218628), (2, 100609314), (3, 67072876), (4, 50304657), (6, 33536438), (12, 16768219), (13, 15478356), (23, 8748636), (26, 7739178), (39, 5159452), (46, 4374318), (52, 3869589), (69, 2916212), (78, 2579726), (92, 2187159), (138, 1458106), (156, 1289863), (276, 729053), (299, 672972), (598, 336486), (897, 224324), (1196, 168243), (1794, 112162), (3588, 56081)]

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