28381864

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16349}}^1$

素因数の和:16393

約数の個数: 32

約数和(自身を含む): 62784000

約数和(自身を除く): 34402136

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 16349, 32698, 65396, 114443, 130792, 228886, 457772, 506819, 915544, 1013638, 2027276, 3547733, 4054552, 7095466, 14190932, 28381864]

約数ペア:

[(1, 28381864), (2, 14190932), (4, 7095466), (7, 4054552), (8, 3547733), (14, 2027276), (28, 1013638), (31, 915544), (56, 506819), (62, 457772), (124, 228886), (217, 130792), (248, 114443), (434, 65396), (868, 32698), (1736, 16349)]