208023728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 464032800

約数和(自身を除く): 256009072

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 53, 58, 88, 106, 116, 176, 212, 232, 319, 424, 464, 583, 638, 769, 848, 1166, 1276, 1537, 1538, 2332, 2552, 3074, 3076, 4664, 5104, 6148, 6152, 8459, 9328, 12296, 12304, 16907, 16918, 22301, 24592, 33814, 33836, 40757, 44602, 67628, 67672, 81514, 89204, 135256, 135344, 163028, 178408, 245311, 270512, 326056, 356816, 448327, 490622, 652112, 896654, 981244, 1181953, 1793308, 1962488, 2363906, 3586616, 3924976, 4727812, 7173232, 9455624, 13001483, 18911248, 26002966, 52005932, 104011864, 208023728]

約数ペア:

[(1, 208023728), (2, 104011864), (4, 52005932), (8, 26002966), (11, 18911248), (16, 13001483), (22, 9455624), (29, 7173232), (44, 4727812), (53, 3924976), (58, 3586616), (88, 2363906), (106, 1962488), (116, 1793308), (176, 1181953), (212, 981244), (232, 896654), (319, 652112), (424, 490622), (464, 448327), (583, 356816), (638, 326056), (769, 270512), (848, 245311), (1166, 178408), (1276, 163028), (1537, 135344), (1538, 135256), (2332, 89204), (2552, 81514), (3074, 67672), (3076, 67628), (4664, 44602), (5104, 40757), (6148, 33836), (6152, 33814), (8459, 24592), (9328, 22301), (12296, 16918), (12304, 16907)]