12347654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5557}}^1$

素因数の和:5671

約数の個数: 16

約数和(自身を含む): 20408976

約数和(自身を除く): 8061322

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 5557, 11114, 61127, 122254, 561257, 1122514, 6173827, 12347654]

約数ペア:

[(1, 12347654), (2, 6173827), (11, 1122514), (22, 561257), (101, 122254), (202, 61127), (1111, 11114), (2222, 5557)]