16780454590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1273

約数の個数: 64

約数和(自身を含む): 31251661056

約数和(自身を除く): 14471206466

約数列:

[1, 2, 5, 10, 43, 86, 137, 215, 274, 430, 443, 643, 685, 886, 1286, 1370, 2215, 3215, 4430, 5891, 6430, 11782, 19049, 27649, 29455, 38098, 55298, 58910, 60691, 88091, 95245, 121382, 138245, 176182, 190490, 276490, 284849, 303455, 440455, 569698, 606910, 880910, 1424245, 2609713, 2848490, 3787913, 5219426, 7575826, 12248507, 13048565, 18939565, 24497014, 26097130, 37879130, 39024313, 61242535, 78048626, 122485070, 195121565, 390243130, 1678045459, 3356090918, 8390227295, 16780454590]

約数ペア:

[(1, 16780454590), (2, 8390227295), (5, 3356090918), (10, 1678045459), (43, 390243130), (86, 195121565), (137, 122485070), (215, 78048626), (274, 61242535), (430, 39024313), (443, 37879130), (643, 26097130), (685, 24497014), (886, 18939565), (1286, 13048565), (1370, 12248507), (2215, 7575826), (3215, 5219426), (4430, 3787913), (5891, 2848490), (6430, 2609713), (11782, 1424245), (19049, 880910), (27649, 606910), (29455, 569698), (38098, 440455), (55298, 303455), (58910, 284849), (60691, 276490), (88091, 190490), (95245, 176182), (121382, 138245)]