28775285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2465

約数の個数: 32

約数和(自身を含む): 44457984

約数和(自身を除く): 15682699

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 2411, 11935, 12055, 16877, 26521, 74741, 84385, 132605, 185647, 373705, 523187, 822151, 928235, 2615935, 4110755, 5755057, 28775285]

約数ペア:

[(1, 28775285), (5, 5755057), (7, 4110755), (11, 2615935), (31, 928235), (35, 822151), (55, 523187), (77, 373705), (155, 185647), (217, 132605), (341, 84385), (385, 74741), (1085, 26521), (1705, 16877), (2387, 12055), (2411, 11935)]