128007984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205141}}^1$

素因数の和:205165

約数の個数: 40

約数和(自身を含む): 356126512

約数和(自身を除く): 228118528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205141, 410282, 615423, 820564, 1230846, 1641128, 2461692, 2666833, 3282256, 4923384, 5333666, 8000499, 9846768, 10667332, 16000998, 21334664, 32001996, 42669328, 64003992, 128007984]

約数ペア:

[(1, 128007984), (2, 64003992), (3, 42669328), (4, 32001996), (6, 21334664), (8, 16000998), (12, 10667332), (13, 9846768), (16, 8000499), (24, 5333666), (26, 4923384), (39, 3282256), (48, 2666833), (52, 2461692), (78, 1641128), (104, 1230846), (156, 820564), (208, 615423), (312, 410282), (624, 205141)]