688300535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 905748480

約数和(自身を除く): 217447945

約数列:

[1, 5, 13, 65, 79, 311, 395, 431, 1027, 1555, 2155, 4043, 5135, 5603, 20215, 24569, 28015, 34049, 122845, 134041, 170245, 319397, 442637, 670205, 1596985, 1742533, 2213185, 8712665, 10589239, 52946195, 137660107, 688300535]

約数ペア:

[(1, 688300535), (5, 137660107), (13, 52946195), (65, 10589239), (79, 8712665), (311, 2213185), (395, 1742533), (431, 1596985), (1027, 670205), (1555, 442637), (2155, 319397), (4043, 170245), (5135, 134041), (5603, 122845), (20215, 34049), (24569, 28015)]