87670910

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 160123392

約数和(自身を除く): 72452482

約数列:

[1, 2, 5, 10, 191, 197, 233, 382, 394, 466, 955, 985, 1165, 1910, 1970, 2330, 37627, 44503, 45901, 75254, 89006, 91802, 188135, 222515, 229505, 376270, 445030, 459010, 8767091, 17534182, 43835455, 87670910]

約数ペア:

[(1, 87670910), (2, 43835455), (5, 17534182), (10, 8767091), (191, 459010), (197, 445030), (233, 376270), (382, 229505), (394, 222515), (466, 188135), (955, 91802), (985, 89006), (1165, 75254), (1910, 45901), (1970, 44503), (2330, 37627)]