About the Number

131213808

131213807 ← → 131213809

2進数表記:111110100100010100111110000

漢数字表記:一億三千百二十一万三千八百八

素因数分解:

2 4 × 3 2 × 11 1 × 82837 1

素因数の和:82862
約数の個数: 60
約数和(自身を含む): 400604568
約数和(自身を除く): 269390760

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 82837, 165674, 248511, 331348, 497022, 662696, 745533, 911207, 994044, 1325392, 1491066, 1822414, 1988088, 2733621, 2982132, 3644828, 3976176, 5467242, 5964264, 7289656, 8200863, 10934484, 11928528, 14579312, 16401726, 21868968, 32803452, 43737936, 65606904, 131213808]

約数ペア:
[(1, 131213808), (2, 65606904), (3, 43737936), (4, 32803452), (6, 21868968), (8, 16401726), (9, 14579312), (11, 11928528), (12, 10934484), (16, 8200863), (18, 7289656), (22, 5964264), (24, 5467242), (33, 3976176), (36, 3644828), (44, 2982132), (48, 2733621), (66, 1988088), (72, 1822414), (88, 1491066), (99, 1325392), (132, 994044), (144, 911207), (176, 745533), (198, 662696), (264, 497022), (396, 331348), (528, 248511), (792, 165674), (1584, 82837)]

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