28017380484

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2027}}^1\times {\mathrm{8929}}^1$

素因数の和:11009

約数の個数: 72

約数和(自身を含む): 72512600160

約数和(自身を除く): 44495219676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 2027, 4054, 6081, 8108, 8929, 12162, 17858, 18243, 24324, 26787, 35716, 36486, 53574, 72972, 80361, 87161, 107148, 160722, 174322, 261483, 321444, 348644, 383947, 522966, 767894, 784449, 1045932, 1151841, 1535788, 1568898, 2303682, 3137796, 3455523, 4607364, 6911046, 13822092, 18099083, 36198166, 54297249, 72396332, 108594498, 162891747, 217188996, 325783494, 651566988, 778260569, 1556521138, 2334781707, 3113042276, 4669563414, 7004345121, 9339126828, 14008690242, 28017380484]

約数ペア:

[(1, 28017380484), (2, 14008690242), (3, 9339126828), (4, 7004345121), (6, 4669563414), (9, 3113042276), (12, 2334781707), (18, 1556521138), (36, 778260569), (43, 651566988), (86, 325783494), (129, 217188996), (172, 162891747), (258, 108594498), (387, 72396332), (516, 54297249), (774, 36198166), (1548, 18099083), (2027, 13822092), (4054, 6911046), (6081, 4607364), (8108, 3455523), (8929, 3137796), (12162, 2303682), (17858, 1568898), (18243, 1535788), (24324, 1151841), (26787, 1045932), (35716, 784449), (36486, 767894), (53574, 522966), (72972, 383947), (80361, 348644), (87161, 321444), (107148, 261483), (160722, 174322)]