86931878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{207971}}^1$

素因数の和:208003

約数の個数: 16

約数和(自身を含む): 149739840

約数和(自身を除く): 62807962

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 207971, 415942, 2287681, 3951449, 4575362, 7902898, 43465939, 86931878]

約数ペア:

[(1, 86931878), (2, 43465939), (11, 7902898), (19, 4575362), (22, 3951449), (38, 2287681), (209, 415942), (418, 207971)]