81544528

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:656

約数の個数: 60

約数和(自身を含む): 174614940

約数和(自身を除く): 93070412

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 169, 208, 212, 338, 424, 569, 676, 689, 848, 1138, 1352, 1378, 2276, 2704, 2756, 4552, 5512, 7397, 8957, 9104, 11024, 14794, 17914, 29588, 30157, 35828, 59176, 60314, 71656, 96161, 118352, 120628, 143312, 192322, 241256, 384644, 392041, 482512, 769288, 784082, 1538576, 1568164, 3136328, 5096533, 6272656, 10193066, 20386132, 40772264, 81544528]

約数ペア:

[(1, 81544528), (2, 40772264), (4, 20386132), (8, 10193066), (13, 6272656), (16, 5096533), (26, 3136328), (52, 1568164), (53, 1538576), (104, 784082), (106, 769288), (169, 482512), (208, 392041), (212, 384644), (338, 241256), (424, 192322), (569, 143312), (676, 120628), (689, 118352), (848, 96161), (1138, 71656), (1352, 60314), (1378, 59176), (2276, 35828), (2704, 30157), (2756, 29588), (4552, 17914), (5512, 14794), (7397, 11024), (8957, 9104)]