221190147338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{13505321}}^1$

素因数の和:13505773

約数の個数: 16

約数和(自身を含む): 350057946240

約数和(自身を除く): 128867798902

約数列:

[1, 2, 19, 38, 431, 862, 8189, 16378, 13505321, 27010642, 256601099, 513202198, 5820793351, 11641586702, 110595073669, 221190147338]

約数ペア:

[(1, 221190147338), (2, 110595073669), (19, 11641586702), (38, 5820793351), (431, 513202198), (862, 256601099), (8189, 27010642), (16378, 13505321)]