28130816

素因数分解:

$2^9\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 37864960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 64, 94, 112, 128, 167, 188, 224, 256, 329, 334, 376, 448, 512, 658, 668, 752, 896, 1169, 1316, 1336, 1504, 1792, 2338, 2632, 2672, 3008, 3584, 4676, 5264, 5344, 6016, 7849, 9352, 10528, 10688, 12032, 15698, 18704, 21056, 21376, 24064, 31396, 37408, 42112, 42752, 54943, 62792, 74816, 84224, 85504, 109886, 125584, 149632, 168448, 219772, 251168, 299264, 439544, 502336, 598528, 879088, 1004672, 1758176, 2009344, 3516352, 4018688, 7032704, 14065408, 28130816]

約数ペア:

[(1, 28130816), (2, 14065408), (4, 7032704), (7, 4018688), (8, 3516352), (14, 2009344), (16, 1758176), (28, 1004672), (32, 879088), (47, 598528), (56, 502336), (64, 439544), (94, 299264), (112, 251168), (128, 219772), (167, 168448), (188, 149632), (224, 125584), (256, 109886), (329, 85504), (334, 84224), (376, 74816), (448, 62792), (512, 54943), (658, 42752), (668, 42112), (752, 37408), (896, 31396), (1169, 24064), (1316, 21376), (1336, 21056), (1504, 18704), (1792, 15698), (2338, 12032), (2632, 10688), (2672, 10528), (3008, 9352), (3584, 7849), (4676, 6016), (5264, 5344)]