28938528

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1234

約数の個数: 72

約数和(自身を含む): 83292300

約数和(自身を除く): 54353772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1129, 1424, 1602, 2136, 2258, 2848, 3204, 3387, 4272, 4516, 6408, 6774, 8544, 9032, 10161, 12816, 13548, 18064, 20322, 25632, 27096, 36128, 40644, 54192, 81288, 100481, 108384, 162576, 200962, 301443, 325152, 401924, 602886, 803848, 904329, 1205772, 1607696, 1808658, 2411544, 3215392, 3617316, 4823088, 7234632, 9646176, 14469264, 28938528]

約数ペア:

[(1, 28938528), (2, 14469264), (3, 9646176), (4, 7234632), (6, 4823088), (8, 3617316), (9, 3215392), (12, 2411544), (16, 1808658), (18, 1607696), (24, 1205772), (32, 904329), (36, 803848), (48, 602886), (72, 401924), (89, 325152), (96, 301443), (144, 200962), (178, 162576), (267, 108384), (288, 100481), (356, 81288), (534, 54192), (712, 40644), (801, 36128), (1068, 27096), (1129, 25632), (1424, 20322), (1602, 18064), (2136, 13548), (2258, 12816), (2848, 10161), (3204, 9032), (3387, 8544), (4272, 6774), (4516, 6408)]