7280478

素因数分解:

$2^1\times 3^2\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1280

約数の個数: 24

約数和(自身を含む): 15824016

約数和(自身を除く): 8543538

約数列:

[1, 2, 3, 6, 9, 18, 631, 641, 1262, 1282, 1893, 1923, 3786, 3846, 5679, 5769, 11358, 11538, 404471, 808942, 1213413, 2426826, 3640239, 7280478]

約数ペア:

[(1, 7280478), (2, 3640239), (3, 2426826), (6, 1213413), (9, 808942), (18, 404471), (631, 11538), (641, 11358), (1262, 5769), (1282, 5679), (1893, 3846), (1923, 3786)]