424443981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 674085888

約数和(自身を除く): 249641907

約数列:

[1, 3, 13, 17, 39, 47, 51, 53, 141, 159, 221, 257, 611, 663, 689, 771, 799, 901, 1833, 2067, 2397, 2491, 2703, 3341, 4369, 7473, 10023, 10387, 11713, 12079, 13107, 13621, 31161, 32383, 35139, 36237, 40863, 42347, 56797, 97149, 127041, 157027, 170391, 177073, 205343, 231557, 471081, 531219, 550511, 616029, 640187, 694671, 1651533, 1920561, 2669459, 3010241, 8008377, 8322431, 9030723, 10883179, 24967293, 32649537, 141481327, 424443981]

約数ペア:

[(1, 424443981), (3, 141481327), (13, 32649537), (17, 24967293), (39, 10883179), (47, 9030723), (51, 8322431), (53, 8008377), (141, 3010241), (159, 2669459), (221, 1920561), (257, 1651533), (611, 694671), (663, 640187), (689, 616029), (771, 550511), (799, 531219), (901, 471081), (1833, 231557), (2067, 205343), (2397, 177073), (2491, 170391), (2703, 157027), (3341, 127041), (4369, 97149), (7473, 56797), (10023, 42347), (10387, 40863), (11713, 36237), (12079, 35139), (13107, 32383), (13621, 31161)]