28007551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 7808705

約数列:

[1, 11, 13, 17, 41, 143, 187, 221, 281, 451, 533, 697, 2431, 3091, 3653, 4777, 5863, 7667, 9061, 11521, 40183, 52547, 62101, 99671, 126731, 149773, 195857, 683111, 1647503, 2154427, 2546141, 28007551]

約数ペア:

[(1, 28007551), (11, 2546141), (13, 2154427), (17, 1647503), (41, 683111), (143, 195857), (187, 149773), (221, 126731), (281, 99671), (451, 62101), (533, 52547), (697, 40183), (2431, 11521), (3091, 9061), (3653, 7667), (4777, 5863)]