28113768

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20551}}^1$

素因数の和:20582

約数の個数: 48

約数和(自身を含む): 80152800

約数和(自身を除く): 52039032

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, 20551, 41102, 61653, 82204, 123306, 164408, 184959, 246612, 369918, 390469, 493224, 739836, 780938, 1171407, 1479672, 1561876, 2342814, 3123752, 3514221, 4685628, 7028442, 9371256, 14056884, 28113768]

約数ペア:

[(1, 28113768), (2, 14056884), (3, 9371256), (4, 7028442), (6, 4685628), (8, 3514221), (9, 3123752), (12, 2342814), (18, 1561876), (19, 1479672), (24, 1171407), (36, 780938), (38, 739836), (57, 493224), (72, 390469), (76, 369918), (114, 246612), (152, 184959), (171, 164408), (228, 123306), (342, 82204), (456, 61653), (684, 41102), (1368, 20551)]