686385616

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{115631}}^1$

素因数の和:115699

約数の個数: 40

約数和(自身を含む): 1548543744

約数和(自身を除く): 862158128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 115631, 231262, 462524, 809417, 925048, 1618834, 1850096, 3237668, 6128443, 6475336, 12256886, 12950672, 24513772, 42899101, 49027544, 85798202, 98055088, 171596404, 343192808, 686385616]

約数ペア:

[(1, 686385616), (2, 343192808), (4, 171596404), (7, 98055088), (8, 85798202), (14, 49027544), (16, 42899101), (28, 24513772), (53, 12950672), (56, 12256886), (106, 6475336), (112, 6128443), (212, 3237668), (371, 1850096), (424, 1618834), (742, 925048), (848, 809417), (1484, 462524), (2968, 231262), (5936, 115631)]