211148755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 275393088

約数和(自身を除く): 64244333

約数列:

[1, 5, 17, 61, 85, 193, 211, 305, 965, 1037, 1055, 3281, 3587, 5185, 11773, 12871, 16405, 17935, 40723, 58865, 64355, 200141, 203615, 218807, 692291, 1000705, 1094035, 2484103, 3461455, 12420515, 42229751, 211148755]

約数ペア:

[(1, 211148755), (5, 42229751), (17, 12420515), (61, 3461455), (85, 2484103), (193, 1094035), (211, 1000705), (305, 692291), (965, 218807), (1037, 203615), (1055, 200141), (3281, 64355), (3587, 58865), (5185, 40723), (11773, 17935), (12871, 16405)]