1285186864

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{461}}^1\times {\mathrm{1031}}^1$

素因数の和:1526

約数の個数: 60

約数和(自身を含む): 2704795632

約数和(自身を除く): 1419608768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 461, 676, 922, 1031, 1352, 1844, 2062, 2704, 3688, 4124, 5993, 7376, 8248, 11986, 13403, 16496, 23972, 26806, 47944, 53612, 77909, 95888, 107224, 155818, 174239, 214448, 311636, 348478, 475291, 623272, 696956, 950582, 1246544, 1393912, 1901164, 2787824, 3802328, 6178783, 7604656, 12357566, 24715132, 49430264, 80324179, 98860528, 160648358, 321296716, 642593432, 1285186864]

約数ペア:

[(1, 1285186864), (2, 642593432), (4, 321296716), (8, 160648358), (13, 98860528), (16, 80324179), (26, 49430264), (52, 24715132), (104, 12357566), (169, 7604656), (208, 6178783), (338, 3802328), (461, 2787824), (676, 1901164), (922, 1393912), (1031, 1246544), (1352, 950582), (1844, 696956), (2062, 623272), (2704, 475291), (3688, 348478), (4124, 311636), (5993, 214448), (7376, 174239), (8248, 155818), (11986, 107224), (13403, 95888), (16496, 77909), (23972, 53612), (26806, 47944)]