25001216

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1678

約数の個数: 36

約数和(自身を含む): 50754564

約数和(自身を除く): 25753348

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1601, 1952, 3202, 3904, 6404, 7808, 12808, 15616, 25616, 51232, 97661, 102464, 195322, 204928, 390644, 409856, 781288, 1562576, 3125152, 6250304, 12500608, 25001216]

約数ペア:

[(1, 25001216), (2, 12500608), (4, 6250304), (8, 3125152), (16, 1562576), (32, 781288), (61, 409856), (64, 390644), (122, 204928), (128, 195322), (244, 102464), (256, 97661), (488, 51232), (976, 25616), (1601, 15616), (1952, 12808), (3202, 7808), (3904, 6404)]