990630784

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54121}}^1$

素因数の和:54159

約数の個数: 64

約数和(自身を含む): 2318586480

約数和(自身を除く): 1327955696

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 1408, 1664, 2288, 4576, 9152, 18304, 54121, 108242, 216484, 432968, 595331, 703573, 865936, 1190662, 1407146, 1731872, 2381324, 2814292, 3463744, 4762648, 5628584, 6927488, 7739303, 9525296, 11257168, 15478606, 19050592, 22514336, 30957212, 38101184, 45028672, 61914424, 76202368, 90057344, 123828848, 247657696, 495315392, 990630784]

約数ペア:

[(1, 990630784), (2, 495315392), (4, 247657696), (8, 123828848), (11, 90057344), (13, 76202368), (16, 61914424), (22, 45028672), (26, 38101184), (32, 30957212), (44, 22514336), (52, 19050592), (64, 15478606), (88, 11257168), (104, 9525296), (128, 7739303), (143, 6927488), (176, 5628584), (208, 4762648), (286, 3463744), (352, 2814292), (416, 2381324), (572, 1731872), (704, 1407146), (832, 1190662), (1144, 865936), (1408, 703573), (1664, 595331), (2288, 432968), (4576, 216484), (9152, 108242), (18304, 54121)]