287149072

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11497}}^1$

素因数の和:11735

約数の個数: 40

約数和(自身を含む): 638736896

約数和(自身を除く): 351587824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 11497, 12488, 22994, 24976, 45988, 80479, 91976, 160958, 183952, 321916, 643832, 1287664, 2563831, 5127662, 10255324, 17946817, 20510648, 35893634, 41021296, 71787268, 143574536, 287149072]

約数ペア:

[(1, 287149072), (2, 143574536), (4, 71787268), (7, 41021296), (8, 35893634), (14, 20510648), (16, 17946817), (28, 10255324), (56, 5127662), (112, 2563831), (223, 1287664), (446, 643832), (892, 321916), (1561, 183952), (1784, 160958), (3122, 91976), (3568, 80479), (6244, 45988), (11497, 24976), (12488, 22994)]