212777789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{34039}}^1$

素因数の和:34112

約数の個数: 16

約数和(自身を含む): 261427200

約数和(自身を除く): 48649411

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 34039, 238273, 646741, 1599833, 4527187, 11198831, 30396827, 212777789]

約数ペア:

[(1, 212777789), (7, 30396827), (19, 11198831), (47, 4527187), (133, 1599833), (329, 646741), (893, 238273), (6251, 34039)]