28879810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1567}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 55319040

約数和(自身を除く): 26439230

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1567, 1843, 3134, 3686, 7835, 9215, 15670, 18430, 29773, 59546, 148865, 151999, 297730, 303998, 759995, 1519990, 2887981, 5775962, 14439905, 28879810]

約数ペア:

[(1, 28879810), (2, 14439905), (5, 5775962), (10, 2887981), (19, 1519990), (38, 759995), (95, 303998), (97, 297730), (190, 151999), (194, 148865), (485, 59546), (970, 29773), (1567, 18430), (1843, 15670), (3134, 9215), (3686, 7835)]