1278156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 3403008

約数和(自身を除く): 2124852

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 421, 506, 759, 842, 1012, 1263, 1518, 1684, 2526, 3036, 4631, 5052, 9262, 9683, 13893, 18524, 19366, 27786, 29049, 38732, 55572, 58098, 106513, 116196, 213026, 319539, 426052, 639078, 1278156]

約数ペア:

[(1, 1278156), (2, 639078), (3, 426052), (4, 319539), (6, 213026), (11, 116196), (12, 106513), (22, 58098), (23, 55572), (33, 38732), (44, 29049), (46, 27786), (66, 19366), (69, 18524), (92, 13893), (132, 9683), (138, 9262), (253, 5052), (276, 4631), (421, 3036), (506, 2526), (759, 1684), (842, 1518), (1012, 1263)]