813543536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:634

約数の個数: 80

約数和(自身を含む): 1738117920

約数和(自身を除く): 924574384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 131, 146, 208, 262, 292, 409, 524, 584, 818, 949, 1048, 1168, 1636, 1703, 1898, 2096, 3272, 3406, 3796, 5317, 6544, 6812, 7592, 9563, 10634, 13624, 15184, 19126, 21268, 27248, 29857, 38252, 42536, 53579, 59714, 76504, 85072, 107158, 119428, 124319, 153008, 214316, 238856, 248638, 388141, 428632, 477712, 497276, 696527, 776282, 857264, 994552, 1393054, 1552564, 1989104, 2786108, 3105128, 3911267, 5572216, 6210256, 7822534, 11144432, 15645068, 31290136, 50846471, 62580272, 101692942, 203385884, 406771768, 813543536]

約数ペア:

[(1, 813543536), (2, 406771768), (4, 203385884), (8, 101692942), (13, 62580272), (16, 50846471), (26, 31290136), (52, 15645068), (73, 11144432), (104, 7822534), (131, 6210256), (146, 5572216), (208, 3911267), (262, 3105128), (292, 2786108), (409, 1989104), (524, 1552564), (584, 1393054), (818, 994552), (949, 857264), (1048, 776282), (1168, 696527), (1636, 497276), (1703, 477712), (1898, 428632), (2096, 388141), (3272, 248638), (3406, 238856), (3796, 214316), (5317, 153008), (6544, 124319), (6812, 119428), (7592, 107158), (9563, 85072), (10634, 76504), (13624, 59714), (15184, 53579), (19126, 42536), (21268, 38252), (27248, 29857)]