28978956

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{11027}}^1$

素因数の和:11110

約数の個数: 36

約数和(自身を含む): 74262552

約数和(自身を除く): 45283596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 11027, 22054, 33081, 44108, 66162, 99243, 132324, 198486, 396972, 804971, 1609942, 2414913, 3219884, 4829826, 7244739, 9659652, 14489478, 28978956]

約数ペア:

[(1, 28978956), (2, 14489478), (3, 9659652), (4, 7244739), (6, 4829826), (9, 3219884), (12, 2414913), (18, 1609942), (36, 804971), (73, 396972), (146, 198486), (219, 132324), (292, 99243), (438, 66162), (657, 44108), (876, 33081), (1314, 22054), (2628, 11027)]