12990377

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 16

約数和(自身を含む): 14141952

約数和(自身を除く): 1151575

約数列:

[1, 23, 47, 61, 197, 1081, 1403, 2867, 4531, 9259, 12017, 65941, 212957, 276391, 564799, 12990377]

約数ペア:

[(1, 12990377), (23, 564799), (47, 276391), (61, 212957), (197, 65941), (1081, 12017), (1403, 9259), (2867, 4531)]