1255871234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{221807}}^1$

素因数の和:221977

約数の個数: 16

約数和(自身を含む): 1996272000

約数和(自身を除く): 740400766

約数列:

[1, 2, 19, 38, 149, 298, 2831, 5662, 221807, 443614, 4214333, 8428666, 33049243, 66098486, 627935617, 1255871234]

約数ペア:

[(1, 1255871234), (2, 627935617), (19, 66098486), (38, 33049243), (149, 8428666), (298, 4214333), (2831, 443614), (5662, 221807)]