243781278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{135887}}^1$

素因数の和:135928

約数の個数: 32

約数和(自身を含む): 547900416

約数和(自身を除く): 304119138

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 135887, 271774, 407661, 815322, 1766531, 3125401, 3533062, 5299593, 6250802, 9376203, 10599186, 18752406, 40630213, 81260426, 121890639, 243781278]

約数ペア:

[(1, 243781278), (2, 121890639), (3, 81260426), (6, 40630213), (13, 18752406), (23, 10599186), (26, 9376203), (39, 6250802), (46, 5299593), (69, 3533062), (78, 3125401), (138, 1766531), (299, 815322), (598, 407661), (897, 271774), (1794, 135887)]