28439352

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20789}}^1$

素因数の和:20820

約数の個数: 48

約数和(自身を含む): 81081000

約数和(自身を除く): 52641648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20789, 41578, 62367, 83156, 124734, 166312, 187101, 249468, 374202, 394991, 498936, 748404, 789982, 1184973, 1496808, 1579964, 2369946, 3159928, 3554919, 4739892, 7109838, 9479784, 14219676, 28439352]

約数ペア:

[(1, 28439352), (2, 14219676), (3, 9479784), (4, 7109838), (6, 4739892), (8, 3554919), (9, 3159928), (12, 2369946), (18, 1579964), (19, 1496808), (24, 1184973), (36, 789982), (38, 748404), (57, 498936), (72, 394991), (76, 374202), (114, 249468), (152, 187101), (171, 166312), (228, 124734), (342, 83156), (456, 62367), (684, 41578), (1368, 20789)]