28855806

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1609}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 68276880

約数和(自身を除く): 39421074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 183, 294, 366, 427, 854, 1281, 1609, 2562, 2989, 3218, 4827, 5978, 8967, 9654, 11263, 17934, 22526, 33789, 67578, 78841, 98149, 157682, 196298, 236523, 294447, 473046, 588894, 687043, 1374086, 2061129, 4122258, 4809301, 9618602, 14427903, 28855806]

約数ペア:

[(1, 28855806), (2, 14427903), (3, 9618602), (6, 4809301), (7, 4122258), (14, 2061129), (21, 1374086), (42, 687043), (49, 588894), (61, 473046), (98, 294447), (122, 236523), (147, 196298), (183, 157682), (294, 98149), (366, 78841), (427, 67578), (854, 33789), (1281, 22526), (1609, 17934), (2562, 11263), (2989, 9654), (3218, 8967), (4827, 5978)]