28890456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 54053544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 383, 449, 766, 898, 1149, 1347, 1532, 1796, 2298, 2681, 2694, 3064, 3143, 3592, 4596, 5362, 5388, 6286, 8043, 9192, 9429, 10724, 10776, 12572, 16086, 18858, 21448, 25144, 32172, 37716, 64344, 75432, 171967, 343934, 515901, 687868, 1031802, 1203769, 1375736, 2063604, 2407538, 3611307, 4127208, 4815076, 7222614, 9630152, 14445228, 28890456]

約数ペア:

[(1, 28890456), (2, 14445228), (3, 9630152), (4, 7222614), (6, 4815076), (7, 4127208), (8, 3611307), (12, 2407538), (14, 2063604), (21, 1375736), (24, 1203769), (28, 1031802), (42, 687868), (56, 515901), (84, 343934), (168, 171967), (383, 75432), (449, 64344), (766, 37716), (898, 32172), (1149, 25144), (1347, 21448), (1532, 18858), (1796, 16086), (2298, 12572), (2681, 10776), (2694, 10724), (3064, 9429), (3143, 9192), (3592, 8043), (4596, 6286), (5362, 5388)]