858485812

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{12241}}^1$

素因数の和:12531

約数の個数: 24

約数和(自身を含む): 1527067080

約数和(自身を除く): 668581268

約数列:

[1, 2, 4, 89, 178, 197, 356, 394, 788, 12241, 17533, 24482, 35066, 48964, 70132, 1089449, 2178898, 2411477, 4357796, 4822954, 9645908, 214621453, 429242906, 858485812]

約数ペア:

[(1, 858485812), (2, 429242906), (4, 214621453), (89, 9645908), (178, 4822954), (197, 4357796), (356, 2411477), (394, 2178898), (788, 1089449), (12241, 70132), (17533, 48964), (24482, 35066)]