28204474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 46791360

約数和(自身を除く): 18586886

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 421, 779, 817, 842, 1558, 1634, 1763, 3526, 7999, 15998, 17261, 18103, 33497, 34522, 36206, 66994, 327959, 343957, 655918, 687914, 742223, 1484446, 14102237, 28204474]

約数ペア:

[(1, 28204474), (2, 14102237), (19, 1484446), (38, 742223), (41, 687914), (43, 655918), (82, 343957), (86, 327959), (421, 66994), (779, 36206), (817, 34522), (842, 33497), (1558, 18103), (1634, 17261), (1763, 15998), (3526, 7999)]