390908

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 817152

約数和(自身を除く): 426244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 607, 644, 1214, 2428, 4249, 8498, 13961, 16996, 27922, 55844, 97727, 195454, 390908]

約数ペア:

[(1, 390908), (2, 195454), (4, 97727), (7, 55844), (14, 27922), (23, 16996), (28, 13961), (46, 8498), (92, 4249), (161, 2428), (322, 1214), (607, 644)]