About the Number

131912844

131912843 ← → 131912845

2進数表記:111110111001101010010001100

漢数字表記:一億三千百九十一万二千八百四十四

素因数分解:

2 2 × 3 1 × 7 1 × 37 1 × 42443 1

素因数の和:42494
約数の個数: 48
約数和(自身を含む): 361283328
約数和(自身を除く): 229370484

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 42443, 84886, 127329, 169772, 254658, 297101, 509316, 594202, 891303, 1188404, 1570391, 1782606, 3140782, 3565212, 4711173, 6281564, 9422346, 10992737, 18844692, 21985474, 32978211, 43970948, 65956422, 131912844]

約数ペア:
[(1, 131912844), (2, 65956422), (3, 43970948), (4, 32978211), (6, 21985474), (7, 18844692), (12, 10992737), (14, 9422346), (21, 6281564), (28, 4711173), (37, 3565212), (42, 3140782), (74, 1782606), (84, 1570391), (111, 1188404), (148, 891303), (222, 594202), (259, 509316), (444, 297101), (518, 254658), (777, 169772), (1036, 127329), (1554, 84886), (3108, 42443)]

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