28887925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 39640320

約数和(自身を除く): 10752395

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1439, 1825, 4015, 7195, 15829, 20075, 35975, 79145, 105047, 395725, 525235, 1155517, 2626175, 5777585, 28887925]

約数ペア:

[(1, 28887925), (5, 5777585), (11, 2626175), (25, 1155517), (55, 525235), (73, 395725), (275, 105047), (365, 79145), (803, 35975), (1439, 20075), (1825, 15829), (4015, 7195)]