254840784

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{983}}^1$

素因数の和:1496

約数の個数: 80

約数和(自身を含む): 720382464

約数和(自身を除く): 465541680

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 491, 528, 982, 983, 1473, 1964, 1966, 2946, 2949, 3928, 3932, 5401, 5892, 5898, 7856, 7864, 10802, 10813, 11784, 11796, 15728, 16203, 21604, 21626, 23568, 23592, 32406, 32439, 43208, 43252, 47184, 64812, 64878, 86416, 86504, 129624, 129756, 173008, 259248, 259512, 482653, 519024, 965306, 1447959, 1930612, 2895918, 3861224, 5309183, 5791836, 7722448, 10618366, 11583672, 15927549, 21236732, 23167344, 31855098, 42473464, 63710196, 84946928, 127420392, 254840784]

約数ペア:

[(1, 254840784), (2, 127420392), (3, 84946928), (4, 63710196), (6, 42473464), (8, 31855098), (11, 23167344), (12, 21236732), (16, 15927549), (22, 11583672), (24, 10618366), (33, 7722448), (44, 5791836), (48, 5309183), (66, 3861224), (88, 2895918), (132, 1930612), (176, 1447959), (264, 965306), (491, 519024), (528, 482653), (982, 259512), (983, 259248), (1473, 173008), (1964, 129756), (1966, 129624), (2946, 86504), (2949, 86416), (3928, 64878), (3932, 64812), (5401, 47184), (5892, 43252), (5898, 43208), (7856, 32439), (7864, 32406), (10802, 23592), (10813, 23568), (11784, 21626), (11796, 21604), (15728, 16203)]