128023792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8669}}^1$

素因数の和:8761

約数の個数: 40

約数和(自身を含む): 270920160

約数和(自身を除く): 142896368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 8669, 14768, 17338, 34676, 69352, 112697, 138704, 225394, 450788, 615499, 901576, 1230998, 1803152, 2461996, 4923992, 8001487, 9847984, 16002974, 32005948, 64011896, 128023792]

約数ペア:

[(1, 128023792), (2, 64011896), (4, 32005948), (8, 16002974), (13, 9847984), (16, 8001487), (26, 4923992), (52, 2461996), (71, 1803152), (104, 1230998), (142, 901576), (208, 615499), (284, 450788), (568, 225394), (923, 138704), (1136, 112697), (1846, 69352), (3692, 34676), (7384, 17338), (8669, 14768)]