About the Number

131981136

131981135 ← → 131981137

2進数表記:111110111011101111101010000

漢数字表記:一億三千百九十八万千百三十六

素因数分解:

2 4 × 3 1 × 7 1 × 31 1 × 12671 1

素因数の和:12720
約数の個数: 80
約数和(自身を含む): 402259968
約数和(自身を除く): 270278832

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 651, 744, 868, 1302, 1488, 1736, 2604, 3472, 5208, 10416, 12671, 25342, 38013, 50684, 76026, 88697, 101368, 152052, 177394, 202736, 266091, 304104, 354788, 392801, 532182, 608208, 709576, 785602, 1064364, 1178403, 1419152, 1571204, 2128728, 2356806, 2749607, 3142408, 4257456, 4713612, 5499214, 6284816, 8248821, 9427224, 10998428, 16497642, 18854448, 21996856, 32995284, 43993712, 65990568, 131981136]

約数ペア:
[(1, 131981136), (2, 65990568), (3, 43993712), (4, 32995284), (6, 21996856), (7, 18854448), (8, 16497642), (12, 10998428), (14, 9427224), (16, 8248821), (21, 6284816), (24, 5499214), (28, 4713612), (31, 4257456), (42, 3142408), (48, 2749607), (56, 2356806), (62, 2128728), (84, 1571204), (93, 1419152), (112, 1178403), (124, 1064364), (168, 785602), (186, 709576), (217, 608208), (248, 532182), (336, 392801), (372, 354788), (434, 304104), (496, 266091), (651, 202736), (744, 177394), (868, 152052), (1302, 101368), (1488, 88697), (1736, 76026), (2604, 50684), (3472, 38013), (5208, 25342), (10416, 12671)]

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