78420268

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{1373}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 139653360

約数和(自身を除く): 61233092

約数列:

[1, 2, 4, 109, 131, 218, 262, 436, 524, 1373, 2746, 5492, 14279, 28558, 57116, 149657, 179863, 299314, 359726, 598628, 719452, 19605067, 39210134, 78420268]

約数ペア:

[(1, 78420268), (2, 39210134), (4, 19605067), (109, 719452), (131, 598628), (218, 359726), (262, 299314), (436, 179863), (524, 149657), (1373, 57116), (2746, 28558), (5492, 14279)]