261570863536

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{7717}}^1\times {\mathrm{39971}}^1$

素因数の和:47749

約数の個数: 40

約数和(自身を含む): 516435521904

約数和(自身を除く): 254864658368

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 7717, 15434, 30868, 39971, 61736, 79942, 123472, 159884, 319768, 409001, 639536, 818002, 1636004, 2118463, 3272008, 4236926, 6544016, 8473852, 16947704, 33895408, 308456207, 616912414, 1233824828, 2467649656, 4935299312, 16348178971, 32696357942, 65392715884, 130785431768, 261570863536]

約数ペア:

[(1, 261570863536), (2, 130785431768), (4, 65392715884), (8, 32696357942), (16, 16348178971), (53, 4935299312), (106, 2467649656), (212, 1233824828), (424, 616912414), (848, 308456207), (7717, 33895408), (15434, 16947704), (30868, 8473852), (39971, 6544016), (61736, 4236926), (79942, 3272008), (123472, 2118463), (159884, 1636004), (319768, 818002), (409001, 639536)]