12671945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 5713975

約数列:

[1, 5, 11, 13, 37, 55, 65, 143, 185, 407, 479, 481, 715, 2035, 2395, 2405, 5269, 5291, 6227, 17723, 26345, 26455, 31135, 68497, 88615, 194953, 230399, 342485, 974765, 1151995, 2534389, 12671945]

約数ペア:

[(1, 12671945), (5, 2534389), (11, 1151995), (13, 974765), (37, 342485), (55, 230399), (65, 194953), (143, 88615), (185, 68497), (407, 31135), (479, 26455), (481, 26345), (715, 17723), (2035, 6227), (2395, 5291), (2405, 5269)]