257942014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 427819392

約数和(自身を除く): 169877378

約数列:

[1, 2, 11, 22, 181, 211, 307, 362, 422, 614, 1991, 2321, 3377, 3982, 4642, 6754, 38191, 55567, 64777, 76382, 111134, 129554, 420101, 611237, 712547, 840202, 1222474, 1425094, 11724637, 23449274, 128971007, 257942014]

約数ペア:

[(1, 257942014), (2, 128971007), (11, 23449274), (22, 11724637), (181, 1425094), (211, 1222474), (307, 840202), (362, 712547), (422, 611237), (614, 420101), (1991, 129554), (2321, 111134), (3377, 76382), (3982, 64777), (4642, 55567), (6754, 38191)]