28987810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{47521}}^1$

素因数の和:47589

約数の個数: 16

約数和(自身を含む): 53034552

約数和(自身を除く): 24046742

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 47521, 95042, 237605, 475210, 2898781, 5797562, 14493905, 28987810]

約数ペア:

[(1, 28987810), (2, 14493905), (5, 5797562), (10, 2898781), (61, 475210), (122, 237605), (305, 95042), (610, 47521)]