20121223199

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1443727}}^1$

素因数の和:1443926

約数の個数: 16

約数和(自身を含む): 25224815616

約数和(自身を除く): 5103592417

約数列:

[1, 7, 11, 77, 181, 1267, 1991, 13937, 1443727, 10106089, 15880997, 111166979, 261314587, 1829202109, 2874460457, 20121223199]

約数ペア:

[(1, 20121223199), (7, 2874460457), (11, 1829202109), (77, 261314587), (181, 111166979), (1267, 15880997), (1991, 10106089), (13937, 1443727)]