181256257

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1327}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 237977600

約数和(自身を除く): 56721343

約数列:

[1, 7, 13, 19, 79, 91, 133, 247, 553, 1027, 1327, 1501, 1729, 7189, 9289, 10507, 17251, 19513, 25213, 104833, 120757, 136591, 176491, 327769, 733831, 1362829, 1991827, 2294383, 9539803, 13942789, 25893751, 181256257]

約数ペア:

[(1, 181256257), (7, 25893751), (13, 13942789), (19, 9539803), (79, 2294383), (91, 1991827), (133, 1362829), (247, 733831), (553, 327769), (1027, 176491), (1327, 136591), (1501, 120757), (1729, 104833), (7189, 25213), (9289, 19513), (10507, 17251)]