31721284

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 66274432

約数和(自身を除く): 34553148

約数列:

[1, 2, 4, 7, 14, 28, 37, 67, 74, 134, 148, 259, 268, 457, 469, 518, 914, 938, 1036, 1828, 1876, 2479, 3199, 4958, 6398, 9916, 12796, 16909, 17353, 30619, 33818, 34706, 61238, 67636, 69412, 118363, 122476, 214333, 236726, 428666, 473452, 857332, 1132903, 2265806, 4531612, 7930321, 15860642, 31721284]

約数ペア:

[(1, 31721284), (2, 15860642), (4, 7930321), (7, 4531612), (14, 2265806), (28, 1132903), (37, 857332), (67, 473452), (74, 428666), (134, 236726), (148, 214333), (259, 122476), (268, 118363), (457, 69412), (469, 67636), (518, 61238), (914, 34706), (938, 33818), (1036, 30619), (1828, 17353), (1876, 16909), (2479, 12796), (3199, 9916), (4958, 6398)]