About the Number

161291228

161291227 ← → 161291229

2進数表記:1001100111010001101111011100

漢数字表記:一億六千百二十九万千二百二十八

素因数分解:

2 2 × 7 1 × 19 1 × 113 1 × 2683 1

素因数の和:2826
約数の個数: 48
約数和(自身を含む): 342693120
約数和(自身を除く): 181401892

約数列:
[1, 2, 4, 7, 14, 19, 28, 38, 76, 113, 133, 226, 266, 452, 532, 791, 1582, 2147, 2683, 3164, 4294, 5366, 8588, 10732, 15029, 18781, 30058, 37562, 50977, 60116, 75124, 101954, 203908, 303179, 356839, 606358, 713678, 1212716, 1427356, 2122253, 4244506, 5760401, 8489012, 11520802, 23041604, 40322807, 80645614, 161291228]

約数ペア:
[(1, 161291228), (2, 80645614), (4, 40322807), (7, 23041604), (14, 11520802), (19, 8489012), (28, 5760401), (38, 4244506), (76, 2122253), (113, 1427356), (133, 1212716), (226, 713678), (266, 606358), (452, 356839), (532, 303179), (791, 203908), (1582, 101954), (2147, 75124), (2683, 60116), (3164, 50977), (4294, 37562), (5366, 30058), (8588, 18781), (10732, 15029)]

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