18017875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 24373440

約数和(自身を除く): 6355565

約数列:

[1, 5, 17, 25, 61, 85, 125, 139, 305, 425, 695, 1037, 1525, 2125, 2363, 3475, 5185, 7625, 8479, 11815, 17375, 25925, 42395, 59075, 129625, 144143, 211975, 295375, 720715, 1059875, 3603575, 18017875]

約数ペア:

[(1, 18017875), (5, 3603575), (17, 1059875), (25, 720715), (61, 295375), (85, 211975), (125, 144143), (139, 129625), (305, 59075), (425, 42395), (695, 25925), (1037, 17375), (1525, 11815), (2125, 8479), (2363, 7625), (3475, 5185)]