251017849264

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{640901}}^1$

素因数の和:641198

約数の個数: 80

約数和(自身を含む): 600807170880

約数和(自身を除く): 349789321616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 269, 364, 538, 728, 1076, 1456, 1883, 2152, 3497, 3766, 4304, 6994, 7532, 13988, 15064, 24479, 27976, 30128, 48958, 55952, 97916, 195832, 391664, 640901, 1281802, 2563604, 4486307, 5127208, 8331713, 8972614, 10254416, 16663426, 17945228, 33326852, 35890456, 58321991, 66653704, 71780912, 116643982, 133307408, 172402369, 233287964, 344804738, 466575928, 689609476, 933151856, 1206816583, 1379218952, 2241230797, 2413633166, 2758437904, 4482461594, 4827266332, 8964923188, 9654532664, 15688615579, 17929846376, 19309065328, 31377231158, 35859692752, 62754462316, 125508924632, 251017849264]

約数ペア:

[(1, 251017849264), (2, 125508924632), (4, 62754462316), (7, 35859692752), (8, 31377231158), (13, 19309065328), (14, 17929846376), (16, 15688615579), (26, 9654532664), (28, 8964923188), (52, 4827266332), (56, 4482461594), (91, 2758437904), (104, 2413633166), (112, 2241230797), (182, 1379218952), (208, 1206816583), (269, 933151856), (364, 689609476), (538, 466575928), (728, 344804738), (1076, 233287964), (1456, 172402369), (1883, 133307408), (2152, 116643982), (3497, 71780912), (3766, 66653704), (4304, 58321991), (6994, 35890456), (7532, 33326852), (13988, 17945228), (15064, 16663426), (24479, 10254416), (27976, 8972614), (30128, 8331713), (48958, 5127208), (55952, 4486307), (97916, 2563604), (195832, 1281802), (391664, 640901)]