661306384

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1160

約数の個数: 60

約数和(自身を含む): 1357530300

約数和(自身を除く): 696223916

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 961, 1049, 1271, 1922, 2098, 2542, 3844, 4196, 5084, 7688, 8392, 10168, 15376, 16784, 20336, 32519, 39401, 43009, 65038, 78802, 86018, 130076, 157604, 172036, 260152, 315208, 344072, 520304, 630416, 688144, 1008089, 1333279, 2016178, 2666558, 4032356, 5333116, 8064712, 10666232, 16129424, 21332464, 41331649, 82663298, 165326596, 330653192, 661306384]

約数ペア:

[(1, 661306384), (2, 330653192), (4, 165326596), (8, 82663298), (16, 41331649), (31, 21332464), (41, 16129424), (62, 10666232), (82, 8064712), (124, 5333116), (164, 4032356), (248, 2666558), (328, 2016178), (496, 1333279), (656, 1008089), (961, 688144), (1049, 630416), (1271, 520304), (1922, 344072), (2098, 315208), (2542, 260152), (3844, 172036), (4196, 157604), (5084, 130076), (7688, 86018), (8392, 78802), (10168, 65038), (15376, 43009), (16784, 39401), (20336, 32519)]