6485999728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{245533}}^1$

素因数の和:245681

約数の個数: 40

約数和(自身を含む): 13639904768

約数和(自身を除く): 7153905040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1651, 2032, 3302, 6604, 13208, 26416, 245533, 491066, 982132, 1964264, 3191929, 3928528, 6383858, 12767716, 25535432, 31182691, 51070864, 62365382, 124730764, 249461528, 405374983, 498923056, 810749966, 1621499932, 3242999864, 6485999728]

約数ペア:

[(1, 6485999728), (2, 3242999864), (4, 1621499932), (8, 810749966), (13, 498923056), (16, 405374983), (26, 249461528), (52, 124730764), (104, 62365382), (127, 51070864), (208, 31182691), (254, 25535432), (508, 12767716), (1016, 6383858), (1651, 3928528), (2032, 3191929), (3302, 1964264), (6604, 982132), (13208, 491066), (26416, 245533)]