278380388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{486679}}^1$

素因数の和:486707

約数の個数: 24

約数和(自身を含む): 572335680

約数和(自身を除く): 293955292

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 486679, 973358, 1946716, 5353469, 6326827, 10706938, 12653654, 21413876, 25307308, 69595097, 139190194, 278380388]

約数ペア:

[(1, 278380388), (2, 139190194), (4, 69595097), (11, 25307308), (13, 21413876), (22, 12653654), (26, 10706938), (44, 6326827), (52, 5353469), (143, 1946716), (286, 973358), (572, 486679)]