261471808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2399}}^1$

素因数の和:2555

約数の個数: 56

約数和(自身を含む): 563270400

約数和(自身を除く): 301798592

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 208, 262, 416, 524, 832, 1048, 1703, 2096, 2399, 3406, 4192, 4798, 6812, 8384, 9596, 13624, 19192, 27248, 31187, 38384, 54496, 62374, 76768, 108992, 124748, 153536, 249496, 314269, 498992, 628538, 997984, 1257076, 1995968, 2514152, 4085497, 5028304, 8170994, 10056608, 16341988, 20113216, 32683976, 65367952, 130735904, 261471808]

約数ペア:

[(1, 261471808), (2, 130735904), (4, 65367952), (8, 32683976), (13, 20113216), (16, 16341988), (26, 10056608), (32, 8170994), (52, 5028304), (64, 4085497), (104, 2514152), (131, 1995968), (208, 1257076), (262, 997984), (416, 628538), (524, 498992), (832, 314269), (1048, 249496), (1703, 153536), (2096, 124748), (2399, 108992), (3406, 76768), (4192, 62374), (4798, 54496), (6812, 38384), (8384, 31187), (9596, 27248), (13624, 19192)]