261703312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{9907}}^1$

素因数の和:10055

約数の個数: 40

約数和(自身を含む): 550409216

約数和(自身を除く): 288705904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 9907, 13208, 19814, 26416, 39628, 79256, 128791, 158512, 257582, 515164, 1030328, 1258189, 2060656, 2516378, 5032756, 10065512, 16356457, 20131024, 32712914, 65425828, 130851656, 261703312]

約数ペア:

[(1, 261703312), (2, 130851656), (4, 65425828), (8, 32712914), (13, 20131024), (16, 16356457), (26, 10065512), (52, 5032756), (104, 2516378), (127, 2060656), (208, 1258189), (254, 1030328), (508, 515164), (1016, 257582), (1651, 158512), (2032, 128791), (3302, 79256), (6604, 39628), (9907, 26416), (13208, 19814)]