28213946

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:1009

約数の個数: 16

約数和(自身を含む): 43017480

約数和(自身を除く): 14803534

約数列:

[1, 2, 101, 197, 202, 394, 709, 1418, 19897, 39794, 71609, 139673, 143218, 279346, 14106973, 28213946]

約数ペア:

[(1, 28213946), (2, 14106973), (101, 279346), (197, 143218), (202, 139673), (394, 71609), (709, 39794), (1418, 19897)]