About the Number

1291216641

1291216640 ← → 1291216642

2進数表記:1001100111101100110011100000001

漢数字表記:十二億九千百二十一万六千六百四十一

素因数分解:

3 1 × 11 1 × 13 1 × 83 1 × 36263 1

素因数の和:36373
約数の個数: 32
約数和(自身を含む): 2047030272
約数和(自身を除く): 755813631

約数列:
[1, 3, 11, 13, 33, 39, 83, 143, 249, 429, 913, 1079, 2739, 3237, 11869, 35607, 36263, 108789, 398893, 471419, 1196679, 1414257, 3009829, 5185609, 9029487, 15556827, 33108119, 39127777, 99324357, 117383331, 430405547, 1291216641]

約数ペア:
[(1, 1291216641), (3, 430405547), (11, 117383331), (13, 99324357), (33, 39127777), (39, 33108119), (83, 15556827), (143, 9029487), (249, 5185609), (429, 3009829), (913, 1414257), (1079, 1196679), (2739, 471419), (3237, 398893), (11869, 108789), (35607, 36263)]

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