28110228

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{21491}}^1$

素因数の和:21607

約数の個数: 24

約数和(自身を含む): 66195360

約数和(自身を除く): 38085132

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 21491, 42982, 64473, 85964, 128946, 257892, 2342519, 4685038, 7027557, 9370076, 14055114, 28110228]

約数ペア:

[(1, 28110228), (2, 14055114), (3, 9370076), (4, 7027557), (6, 4685038), (12, 2342519), (109, 257892), (218, 128946), (327, 85964), (436, 64473), (654, 42982), (1308, 21491)]