261234

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:662

約数の個数: 24

約数和(自身を含む): 591552

約数和(自身を除く): 330318

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 631, 1262, 1893, 3786, 5679, 11358, 14513, 29026, 43539, 87078, 130617, 261234]

約数ペア:

[(1, 261234), (2, 130617), (3, 87078), (6, 43539), (9, 29026), (18, 14513), (23, 11358), (46, 5679), (69, 3786), (138, 1893), (207, 1262), (414, 631)]