28345856

素因数分解:

$2^9\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:755

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 42363904

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 616, 704, 719, 896, 1232, 1408, 1438, 1792, 2464, 2816, 2876, 3584, 4928, 5033, 5632, 5752, 7909, 9856, 10066, 11504, 15818, 19712, 20132, 23008, 31636, 39424, 40264, 46016, 55363, 63272, 80528, 92032, 110726, 126544, 161056, 184064, 221452, 253088, 322112, 368128, 442904, 506176, 644224, 885808, 1012352, 1288448, 1771616, 2024704, 2576896, 3543232, 4049408, 7086464, 14172928, 28345856]

約数ペア:

[(1, 28345856), (2, 14172928), (4, 7086464), (7, 4049408), (8, 3543232), (11, 2576896), (14, 2024704), (16, 1771616), (22, 1288448), (28, 1012352), (32, 885808), (44, 644224), (56, 506176), (64, 442904), (77, 368128), (88, 322112), (112, 253088), (128, 221452), (154, 184064), (176, 161056), (224, 126544), (256, 110726), (308, 92032), (352, 80528), (448, 63272), (512, 55363), (616, 46016), (704, 40264), (719, 39424), (896, 31636), (1232, 23008), (1408, 20132), (1438, 19712), (1792, 15818), (2464, 11504), (2816, 10066), (2876, 9856), (3584, 7909), (4928, 5752), (5033, 5632)]