161381584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 387197440

約数和(自身を除く): 225815856

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 271, 364, 409, 542, 728, 818, 1084, 1456, 1636, 1897, 2168, 2863, 3272, 3523, 3794, 4336, 5317, 5726, 6544, 7046, 7588, 10634, 11452, 14092, 15176, 21268, 22904, 24661, 28184, 30352, 37219, 42536, 45808, 49322, 56368, 74438, 85072, 98644, 110839, 148876, 197288, 221678, 297752, 394576, 443356, 595504, 775873, 886712, 1440907, 1551746, 1773424, 2881814, 3103492, 5763628, 6206984, 10086349, 11527256, 12413968, 20172698, 23054512, 40345396, 80690792, 161381584]

約数ペア:

[(1, 161381584), (2, 80690792), (4, 40345396), (7, 23054512), (8, 20172698), (13, 12413968), (14, 11527256), (16, 10086349), (26, 6206984), (28, 5763628), (52, 3103492), (56, 2881814), (91, 1773424), (104, 1551746), (112, 1440907), (182, 886712), (208, 775873), (271, 595504), (364, 443356), (409, 394576), (542, 297752), (728, 221678), (818, 197288), (1084, 148876), (1456, 110839), (1636, 98644), (1897, 85072), (2168, 74438), (2863, 56368), (3272, 49322), (3523, 45808), (3794, 42536), (4336, 37219), (5317, 30352), (5726, 28184), (6544, 24661), (7046, 22904), (7588, 21268), (10634, 15176), (11452, 14092)]