389004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 1134336

約数和(自身を除く): 745332

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 421, 462, 842, 924, 1263, 1684, 2526, 2947, 4631, 5052, 5894, 8841, 9262, 11788, 13893, 17682, 18524, 27786, 32417, 35364, 55572, 64834, 97251, 129668, 194502, 389004]

約数ペア:

[(1, 389004), (2, 194502), (3, 129668), (4, 97251), (6, 64834), (7, 55572), (11, 35364), (12, 32417), (14, 27786), (21, 18524), (22, 17682), (28, 13893), (33, 11788), (42, 9262), (44, 8841), (66, 5894), (77, 5052), (84, 4631), (132, 2947), (154, 2526), (231, 1684), (308, 1263), (421, 924), (462, 842)]