215619872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 482312880

約数和(自身を除く): 266693008

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 61, 104, 116, 122, 208, 232, 244, 293, 377, 416, 464, 488, 586, 754, 793, 928, 976, 1172, 1508, 1586, 1769, 1952, 2344, 3016, 3172, 3538, 3809, 4688, 6032, 6344, 7076, 7618, 8497, 9376, 12064, 12688, 14152, 15236, 16994, 17873, 22997, 25376, 28304, 30472, 33988, 35746, 45994, 56608, 60944, 67976, 71492, 91988, 110461, 121888, 135952, 142984, 183976, 220922, 232349, 271904, 285968, 367952, 441844, 464698, 518317, 571936, 735904, 883688, 929396, 1036634, 1767376, 1858792, 2073268, 3534752, 3717584, 4146536, 6738121, 7435168, 8293072, 13476242, 16586144, 26952484, 53904968, 107809936, 215619872]

約数ペア:

[(1, 215619872), (2, 107809936), (4, 53904968), (8, 26952484), (13, 16586144), (16, 13476242), (26, 8293072), (29, 7435168), (32, 6738121), (52, 4146536), (58, 3717584), (61, 3534752), (104, 2073268), (116, 1858792), (122, 1767376), (208, 1036634), (232, 929396), (244, 883688), (293, 735904), (377, 571936), (416, 518317), (464, 464698), (488, 441844), (586, 367952), (754, 285968), (793, 271904), (928, 232349), (976, 220922), (1172, 183976), (1508, 142984), (1586, 135952), (1769, 121888), (1952, 110461), (2344, 91988), (3016, 71492), (3172, 67976), (3538, 60944), (3809, 56608), (4688, 45994), (6032, 35746), (6344, 33988), (7076, 30472), (7618, 28304), (8497, 25376), (9376, 22997), (12064, 17873), (12688, 16994), (14152, 15236)]