28871164

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 60899328

約数和(自身を除く): 32028164

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 127, 161, 254, 322, 353, 508, 644, 706, 889, 1412, 1778, 2471, 2921, 3556, 4942, 5842, 8119, 9884, 11684, 16238, 20447, 32476, 40894, 44831, 56833, 81788, 89662, 113666, 179324, 227332, 313817, 627634, 1031113, 1255268, 2062226, 4124452, 7217791, 14435582, 28871164]

約数ペア:

[(1, 28871164), (2, 14435582), (4, 7217791), (7, 4124452), (14, 2062226), (23, 1255268), (28, 1031113), (46, 627634), (92, 313817), (127, 227332), (161, 179324), (254, 113666), (322, 89662), (353, 81788), (508, 56833), (644, 44831), (706, 40894), (889, 32476), (1412, 20447), (1778, 16238), (2471, 11684), (2921, 9884), (3556, 8119), (4942, 5842)]