About the Number

1212216841

1212216840 ← → 1212216842

2進数表記:1001000010000001111011000001001

漢数字表記:十二億千二百二十一万六千八百四十一

素因数分解:

11 2 × 17 1 × 433 1 × 1361 1

素因数の和:1833
約数の個数: 24
約数和(自身を含む): 1415112552
約数和(自身を除く): 202895711

約数列:
[1, 11, 17, 121, 187, 433, 1361, 2057, 4763, 7361, 14971, 23137, 52393, 80971, 164681, 254507, 589313, 890681, 2799577, 6482443, 10018321, 71306873, 110201531, 1212216841]

約数ペア:
[(1, 1212216841), (11, 110201531), (17, 71306873), (121, 10018321), (187, 6482443), (433, 2799577), (1361, 890681), (2057, 589313), (4763, 254507), (7361, 164681), (14971, 80971), (23137, 52393)]

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