209721888

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{17761}}^1$

素因数の和:17818

約数の個数: 72

約数和(自身を含む): 610977276

約数和(自身を除く): 401255388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1968, 2952, 3936, 5904, 11808, 17761, 35522, 53283, 71044, 106566, 142088, 159849, 213132, 284176, 319698, 426264, 568352, 639396, 728201, 852528, 1278792, 1456402, 1705056, 2184603, 2557584, 2912804, 4369206, 5115168, 5825608, 6553809, 8738412, 11651216, 13107618, 17476824, 23302432, 26215236, 34953648, 52430472, 69907296, 104860944, 209721888]

約数ペア:

[(1, 209721888), (2, 104860944), (3, 69907296), (4, 52430472), (6, 34953648), (8, 26215236), (9, 23302432), (12, 17476824), (16, 13107618), (18, 11651216), (24, 8738412), (32, 6553809), (36, 5825608), (41, 5115168), (48, 4369206), (72, 2912804), (82, 2557584), (96, 2184603), (123, 1705056), (144, 1456402), (164, 1278792), (246, 852528), (288, 728201), (328, 639396), (369, 568352), (492, 426264), (656, 319698), (738, 284176), (984, 213132), (1312, 159849), (1476, 142088), (1968, 106566), (2952, 71044), (3936, 53283), (5904, 35522), (11808, 17761)]