1291302656

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{11813}}^1$

素因数の和:11897

約数の個数: 72

約数和(自身を含む): 2994329184

約数和(自身を除く): 1703026528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 3416, 3904, 6832, 7808, 11813, 13664, 15616, 23626, 27328, 47252, 54656, 82691, 94504, 109312, 165382, 189008, 330764, 378016, 661528, 720593, 756032, 1323056, 1441186, 1512064, 2646112, 2882372, 3024128, 5044151, 5292224, 5764744, 10088302, 10584448, 11529488, 20176604, 21168896, 23058976, 40353208, 46117952, 80706416, 92235904, 161412832, 184471808, 322825664, 645651328, 1291302656]

約数ペア:

[(1, 1291302656), (2, 645651328), (4, 322825664), (7, 184471808), (8, 161412832), (14, 92235904), (16, 80706416), (28, 46117952), (32, 40353208), (56, 23058976), (61, 21168896), (64, 20176604), (112, 11529488), (122, 10584448), (128, 10088302), (224, 5764744), (244, 5292224), (256, 5044151), (427, 3024128), (448, 2882372), (488, 2646112), (854, 1512064), (896, 1441186), (976, 1323056), (1708, 756032), (1792, 720593), (1952, 661528), (3416, 378016), (3904, 330764), (6832, 189008), (7808, 165382), (11813, 109312), (13664, 94504), (15616, 82691), (23626, 54656), (27328, 47252)]