659973808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 1416846816

約数和(自身を除く): 756873008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 131, 208, 212, 262, 424, 457, 524, 689, 848, 914, 1048, 1378, 1703, 1828, 2096, 2756, 3406, 3656, 5512, 5941, 6812, 6943, 7312, 11024, 11882, 13624, 13886, 23764, 24221, 27248, 27772, 47528, 48442, 55544, 59867, 90259, 95056, 96884, 111088, 119734, 180518, 193768, 239468, 314873, 361036, 387536, 478936, 629746, 722072, 778271, 957872, 1259492, 1444144, 1556542, 2518984, 3113084, 3172951, 5037968, 6226168, 6345902, 12452336, 12691804, 25383608, 41248363, 50767216, 82496726, 164993452, 329986904, 659973808]

約数ペア:

[(1, 659973808), (2, 329986904), (4, 164993452), (8, 82496726), (13, 50767216), (16, 41248363), (26, 25383608), (52, 12691804), (53, 12452336), (104, 6345902), (106, 6226168), (131, 5037968), (208, 3172951), (212, 3113084), (262, 2518984), (424, 1556542), (457, 1444144), (524, 1259492), (689, 957872), (848, 778271), (914, 722072), (1048, 629746), (1378, 478936), (1703, 387536), (1828, 361036), (2096, 314873), (2756, 239468), (3406, 193768), (3656, 180518), (5512, 119734), (5941, 111088), (6812, 96884), (6943, 95056), (7312, 90259), (11024, 59867), (11882, 55544), (13624, 48442), (13886, 47528), (23764, 27772), (24221, 27248)]