289351474

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1\times {\mathrm{1231}}^1$

素因数の和:2001

約数の個数: 16

約数和(自身を含む): 437222016

約数和(自身を除く): 147870542

約数列:

[1, 2, 211, 422, 557, 1114, 1231, 2462, 117527, 235054, 259741, 519482, 685667, 1371334, 144675737, 289351474]

約数ペア:

[(1, 289351474), (2, 144675737), (211, 1371334), (422, 685667), (557, 519482), (1114, 259741), (1231, 235054), (2462, 117527)]