855356890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{32911}}^1$

素因数の和:33054

約数の個数: 32

約数和(自身を含む): 1620850176

約数和(自身を除く): 765493286

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 1130, 2599, 5198, 12995, 25990, 32911, 65822, 164555, 329110, 756953, 1513906, 3718943, 3784765, 7437886, 7569530, 18594715, 37189430, 85535689, 171071378, 427678445, 855356890]

約数ペア:

[(1, 855356890), (2, 427678445), (5, 171071378), (10, 85535689), (23, 37189430), (46, 18594715), (113, 7569530), (115, 7437886), (226, 3784765), (230, 3718943), (565, 1513906), (1130, 756953), (2599, 329110), (5198, 164555), (12995, 65822), (25990, 32911)]