About the Number

121691108

121691107 ← → 121691109

2進数表記:111010000001101101111100100

漢数字表記:一億二千百六十九万千百八

素因数分解:

2 2 × 7 2 × 11 1 × 56443 1

素因数の和:56472
約数の個数: 36
約数和(自身を含む): 270253872
約数和(自身を除く): 148562764

約数列:
[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 56443, 112886, 225772, 395101, 620873, 790202, 1241746, 1580404, 2483492, 2765707, 4346111, 5531414, 8692222, 11062828, 17384444, 30422777, 60845554, 121691108]

約数ペア:
[(1, 121691108), (2, 60845554), (4, 30422777), (7, 17384444), (11, 11062828), (14, 8692222), (22, 5531414), (28, 4346111), (44, 2765707), (49, 2483492), (77, 1580404), (98, 1241746), (154, 790202), (196, 620873), (308, 395101), (539, 225772), (1078, 112886), (2156, 56443)]

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