28297555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2083}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 42013440

約数和(自身を除く): 13715885

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2083, 2717, 10415, 13585, 22913, 27079, 39577, 114565, 135395, 197885, 297869, 435347, 514501, 1489345, 2176735, 2572505, 5659511, 28297555]

約数ペア:

[(1, 28297555), (5, 5659511), (11, 2572505), (13, 2176735), (19, 1489345), (55, 514501), (65, 435347), (95, 297869), (143, 197885), (209, 135395), (247, 114565), (715, 39577), (1045, 27079), (1235, 22913), (2083, 13585), (2717, 10415)]