219884077

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{1229}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 256233600

約数和(自身を除く): 36349523

約数列:

[1, 7, 61, 419, 427, 1229, 2933, 8603, 25559, 74969, 178913, 514951, 524783, 3604657, 31412011, 219884077]

約数ペア:

[(1, 219884077), (7, 31412011), (61, 3604657), (419, 524783), (427, 514951), (1229, 178913), (2933, 74969), (8603, 25559)]