81612368

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 162398088

約数和(自身を除く): 80785720

約数列:

[1, 2, 4, 8, 16, 53, 106, 157, 212, 314, 424, 613, 628, 848, 1226, 1256, 2452, 2512, 4904, 8321, 9808, 16642, 32489, 33284, 64978, 66568, 96241, 129956, 133136, 192482, 259912, 384964, 519824, 769928, 1539856, 5100773, 10201546, 20403092, 40806184, 81612368]

約数ペア:

[(1, 81612368), (2, 40806184), (4, 20403092), (8, 10201546), (16, 5100773), (53, 1539856), (106, 769928), (157, 519824), (212, 384964), (314, 259912), (424, 192482), (613, 133136), (628, 129956), (848, 96241), (1226, 66568), (1256, 64978), (2452, 33284), (2512, 32489), (4904, 16642), (8321, 9808)]