28297156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 55540800

約数和(自身を除く): 27243644

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 347, 551, 694, 703, 1073, 1102, 1388, 1406, 2146, 2204, 2812, 4292, 6593, 10063, 12839, 13186, 20126, 20387, 25678, 26372, 40252, 40774, 51356, 81548, 191197, 243941, 372331, 382394, 487882, 744662, 764788, 975764, 1489324, 7074289, 14148578, 28297156]

約数ペア:

[(1, 28297156), (2, 14148578), (4, 7074289), (19, 1489324), (29, 975764), (37, 764788), (38, 744662), (58, 487882), (74, 382394), (76, 372331), (116, 243941), (148, 191197), (347, 81548), (551, 51356), (694, 40774), (703, 40252), (1073, 26372), (1102, 25678), (1388, 20387), (1406, 20126), (2146, 13186), (2204, 12839), (2812, 10063), (4292, 6593)]