27905961808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{57697}}^1$

素因数の和:57804

約数の個数: 80

約数和(自身を含む): 59812054720

約数和(自身を除く): 31906092912

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 43, 74, 76, 86, 148, 152, 172, 296, 304, 344, 592, 688, 703, 817, 1406, 1591, 1634, 2812, 3182, 3268, 5624, 6364, 6536, 11248, 12728, 13072, 25456, 30229, 57697, 60458, 115394, 120916, 230788, 241832, 461576, 483664, 923152, 1096243, 2134789, 2192486, 2480971, 4269578, 4384972, 4961942, 8539156, 8769944, 9923884, 17078312, 17539888, 19847768, 34156624, 39695536, 40560991, 47138449, 81121982, 91795927, 94276898, 162243964, 183591854, 188553796, 324487928, 367183708, 377107592, 648975856, 734367416, 754215184, 1468734832, 1744122613, 3488245226, 6976490452, 13952980904, 27905961808]

約数ペア:

[(1, 27905961808), (2, 13952980904), (4, 6976490452), (8, 3488245226), (16, 1744122613), (19, 1468734832), (37, 754215184), (38, 734367416), (43, 648975856), (74, 377107592), (76, 367183708), (86, 324487928), (148, 188553796), (152, 183591854), (172, 162243964), (296, 94276898), (304, 91795927), (344, 81121982), (592, 47138449), (688, 40560991), (703, 39695536), (817, 34156624), (1406, 19847768), (1591, 17539888), (1634, 17078312), (2812, 9923884), (3182, 8769944), (3268, 8539156), (5624, 4961942), (6364, 4384972), (6536, 4269578), (11248, 2480971), (12728, 2192486), (13072, 2134789), (25456, 1096243), (30229, 923152), (57697, 483664), (60458, 461576), (115394, 241832), (120916, 230788)]