28021264

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{10487}}^1$

素因数の和:10662

約数の個数: 20

約数和(自身を含む): 54621504

約数和(自身を除く): 26600240

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 10487, 20974, 41948, 83896, 167792, 1751329, 3502658, 7005316, 14010632, 28021264]

約数ペア:

[(1, 28021264), (2, 14010632), (4, 7005316), (8, 3502658), (16, 1751329), (167, 167792), (334, 83896), (668, 41948), (1336, 20974), (2672, 10487)]