About the Number

12803707728

12803707727 ← → 12803707729

2進数表記:1011111011001010010001001101010000

漢数字表記:百二十八億三百七十万七千七百二十八

素因数分解:

2 4 × 3 2 × 7 1 × 61 1 × 208231 1

素因数の和:208313
約数の個数: 120
約数和(自身を含む): 41623078016
約数和(自身を除く): 28819370288

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 366, 427, 488, 504, 549, 732, 854, 976, 1008, 1098, 1281, 1464, 1708, 2196, 2562, 2928, 3416, 3843, 4392, 5124, 6832, 7686, 8784, 10248, 15372, 20496, 30744, 61488, 208231, 416462, 624693, 832924, 1249386, 1457617, 1665848, 1874079, 2498772, 2915234, 3331696, 3748158, 4372851, 4997544, 5830468, 7496316, 8745702, 9995088, 11660936, 12702091, 13118553, 14992632, 17491404, 23321872, 25404182, 26237106, 29985264, 34982808, 38106273, 50808364, 52474212, 69965616, 76212546, 88914637, 101616728, 104948424, 114318819, 152425092, 177829274, 203233456, 209896848, 228637638, 266743911, 304850184, 355658548, 457275276, 533487822, 609700368, 711317096, 800231733, 914550552, 1066975644, 1422634192, 1600463466, 1829101104, 2133951288, 3200926932, 4267902576, 6401853864, 12803707728]

約数ペア:
[(1, 12803707728), (2, 6401853864), (3, 4267902576), (4, 3200926932), (6, 2133951288), (7, 1829101104), (8, 1600463466), (9, 1422634192), (12, 1066975644), (14, 914550552), (16, 800231733), (18, 711317096), (21, 609700368), (24, 533487822), (28, 457275276), (36, 355658548), (42, 304850184), (48, 266743911), (56, 228637638), (61, 209896848), (63, 203233456), (72, 177829274), (84, 152425092), (112, 114318819), (122, 104948424), (126, 101616728), (144, 88914637), (168, 76212546), (183, 69965616), (244, 52474212), (252, 50808364), (336, 38106273), (366, 34982808), (427, 29985264), (488, 26237106), (504, 25404182), (549, 23321872), (732, 17491404), (854, 14992632), (976, 13118553), (1008, 12702091), (1098, 11660936), (1281, 9995088), (1464, 8745702), (1708, 7496316), (2196, 5830468), (2562, 4997544), (2928, 4372851), (3416, 3748158), (3843, 3331696), (4392, 2915234), (5124, 2498772), (6832, 1874079), (7686, 1665848), (8784, 1457617), (10248, 1249386), (15372, 832924), (20496, 624693), (30744, 416462), (61488, 208231)]

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