213655874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1\times {\mathrm{409}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 345384000

約数和(自身を除く): 131728126

約数列:

[1, 2, 19, 38, 59, 118, 233, 409, 466, 818, 1121, 2242, 4427, 7771, 8854, 13747, 15542, 24131, 27494, 48262, 95297, 190594, 261193, 458489, 522386, 916978, 1810643, 3621286, 5622523, 11245046, 106827937, 213655874]

約数ペア:

[(1, 213655874), (2, 106827937), (19, 11245046), (38, 5622523), (59, 3621286), (118, 1810643), (233, 916978), (409, 522386), (466, 458489), (818, 261193), (1121, 190594), (2242, 95297), (4427, 48262), (7771, 27494), (8854, 24131), (13747, 15542)]