2838438

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2300

約数の個数: 24

約数和(自身を含む): 6239376

約数和(自身を除く): 3400938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 2221, 4442, 6663, 13326, 19989, 39978, 157691, 315382, 473073, 946146, 1419219, 2838438]

約数ペア:

[(1, 2838438), (2, 1419219), (3, 946146), (6, 473073), (9, 315382), (18, 157691), (71, 39978), (142, 19989), (213, 13326), (426, 6663), (639, 4442), (1278, 2221)]