28487898

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{22291}}^1$

素因数の和:22370

約数の個数: 24

約数和(自身を含む): 62595936

約数和(自身を除く): 34108038

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 22291, 44582, 66873, 133746, 200619, 401238, 1582661, 3165322, 4747983, 9495966, 14243949, 28487898]

約数ペア:

[(1, 28487898), (2, 14243949), (3, 9495966), (6, 4747983), (9, 3165322), (18, 1582661), (71, 401238), (142, 200619), (213, 133746), (426, 66873), (639, 44582), (1278, 22291)]