1399203421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{297893}}^1$

素因数の和:297972

約数の個数: 16

約数和(自身を含む): 1773065088

約数和(自身を除く): 373861667

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 297893, 2085251, 3276823, 18171473, 22937761, 127200311, 199886203, 1399203421]

約数ペア:

[(1, 1399203421), (7, 199886203), (11, 127200311), (61, 22937761), (77, 18171473), (427, 3276823), (671, 2085251), (4697, 297893)]