646359268256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{195023}}^1$

素因数の和:195334

約数の個数: 96

約数和(自身を含む): 1420124203008

約数和(自身を除く): 773764934752

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 257, 403, 416, 496, 514, 806, 992, 1028, 1612, 2056, 3224, 3341, 4112, 6448, 6682, 7967, 8224, 12896, 13364, 15934, 26728, 31868, 53456, 63736, 103571, 106912, 127472, 195023, 207142, 254944, 390046, 414284, 780092, 828568, 1560184, 1657136, 2535299, 3120368, 3314272, 5070598, 6045713, 6240736, 10141196, 12091426, 20282392, 24182852, 40564784, 48365704, 50120911, 78594269, 81129568, 96731408, 100241822, 157188538, 193462816, 200483644, 314377076, 400967288, 628754152, 651571843, 801934576, 1257508304, 1303143686, 1553748241, 1603869152, 2515016608, 2606287372, 3107496482, 5212574744, 6214992964, 10425149488, 12429985928, 20198727133, 20850298976, 24859971856, 40397454266, 49719943712, 80794908532, 161589817064, 323179634128, 646359268256]

約数ペア:

[(1, 646359268256), (2, 323179634128), (4, 161589817064), (8, 80794908532), (13, 49719943712), (16, 40397454266), (26, 24859971856), (31, 20850298976), (32, 20198727133), (52, 12429985928), (62, 10425149488), (104, 6214992964), (124, 5212574744), (208, 3107496482), (248, 2606287372), (257, 2515016608), (403, 1603869152), (416, 1553748241), (496, 1303143686), (514, 1257508304), (806, 801934576), (992, 651571843), (1028, 628754152), (1612, 400967288), (2056, 314377076), (3224, 200483644), (3341, 193462816), (4112, 157188538), (6448, 100241822), (6682, 96731408), (7967, 81129568), (8224, 78594269), (12896, 50120911), (13364, 48365704), (15934, 40564784), (26728, 24182852), (31868, 20282392), (53456, 12091426), (63736, 10141196), (103571, 6240736), (106912, 6045713), (127472, 5070598), (195023, 3314272), (207142, 3120368), (254944, 2535299), (390046, 1657136), (414284, 1560184), (780092, 828568)]