28088210

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 51868080

約数和(自身を除く): 23779870

約数列:

[1, 2, 5, 10, 73, 109, 146, 218, 353, 365, 545, 706, 730, 1090, 1765, 3530, 7957, 15914, 25769, 38477, 39785, 51538, 76954, 79570, 128845, 192385, 257690, 384770, 2808821, 5617642, 14044105, 28088210]

約数ペア:

[(1, 28088210), (2, 14044105), (5, 5617642), (10, 2808821), (73, 384770), (109, 257690), (146, 192385), (218, 128845), (353, 79570), (365, 76954), (545, 51538), (706, 39785), (730, 38477), (1090, 25769), (1765, 15914), (3530, 7957)]