2781863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 16

約数和(自身を含む): 3415104

約数和(自身を除く): 633241

約数列:

[1, 7, 17, 97, 119, 241, 679, 1649, 1687, 4097, 11543, 23377, 28679, 163639, 397409, 2781863]

約数ペア:

[(1, 2781863), (7, 397409), (17, 163639), (97, 28679), (119, 23377), (241, 11543), (679, 4097), (1649, 1687)]