28978168

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 55566000

約数和(自身を除く): 26587832

約数列:

[1, 2, 4, 8, 97, 107, 194, 214, 349, 388, 428, 698, 776, 856, 1396, 2792, 10379, 20758, 33853, 37343, 41516, 67706, 74686, 83032, 135412, 149372, 270824, 298744, 3622271, 7244542, 14489084, 28978168]

約数ペア:

[(1, 28978168), (2, 14489084), (4, 7244542), (8, 3622271), (97, 298744), (107, 270824), (194, 149372), (214, 135412), (349, 83032), (388, 74686), (428, 67706), (698, 41516), (776, 37343), (856, 33853), (1396, 20758), (2792, 10379)]