66742784

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2216

約数の個数: 40

約数和(自身を含む): 135604788

約数和(自身を除く): 68862004

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1952, 2137, 3904, 4274, 7808, 8548, 15616, 17096, 31232, 34192, 68384, 130357, 136768, 260714, 273536, 521428, 547072, 1042856, 1094144, 2085712, 4171424, 8342848, 16685696, 33371392, 66742784]

約数ペア:

[(1, 66742784), (2, 33371392), (4, 16685696), (8, 8342848), (16, 4171424), (32, 2085712), (61, 1094144), (64, 1042856), (122, 547072), (128, 521428), (244, 273536), (256, 260714), (488, 136768), (512, 130357), (976, 68384), (1952, 34192), (2137, 31232), (3904, 17096), (4274, 15616), (7808, 8548)]