1986260705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163411}}^1$

素因数の和:163457

約数の個数: 32

約数和(自身を含む): 2964947328

約数和(自身を除く): 978686623

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 163411, 817055, 1797521, 2124343, 2777987, 8987605, 10621715, 13889935, 23367773, 30557857, 36113831, 116838865, 152789285, 180569155, 397252141, 1986260705]

約数ペア:

[(1, 1986260705), (5, 397252141), (11, 180569155), (13, 152789285), (17, 116838865), (55, 36113831), (65, 30557857), (85, 23367773), (143, 13889935), (187, 10621715), (221, 8987605), (715, 2777987), (935, 2124343), (1105, 1797521), (2431, 817055), (12155, 163411)]