131993344

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1009}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 305537120

約数和(自身を除く): 173543776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 256, 292, 448, 511, 584, 896, 1009, 1022, 1168, 1792, 2018, 2044, 2336, 4036, 4088, 4672, 7063, 8072, 8176, 9344, 14126, 16144, 16352, 18688, 28252, 32288, 32704, 56504, 64576, 65408, 73657, 113008, 129152, 130816, 147314, 226016, 258304, 294628, 452032, 515599, 589256, 904064, 1031198, 1178512, 1808128, 2062396, 2357024, 4124792, 4714048, 8249584, 9428096, 16499168, 18856192, 32998336, 65996672, 131993344]

約数ペア:

[(1, 131993344), (2, 65996672), (4, 32998336), (7, 18856192), (8, 16499168), (14, 9428096), (16, 8249584), (28, 4714048), (32, 4124792), (56, 2357024), (64, 2062396), (73, 1808128), (112, 1178512), (128, 1031198), (146, 904064), (224, 589256), (256, 515599), (292, 452032), (448, 294628), (511, 258304), (584, 226016), (896, 147314), (1009, 130816), (1022, 129152), (1168, 113008), (1792, 73657), (2018, 65408), (2044, 64576), (2336, 56504), (4036, 32704), (4088, 32288), (4672, 28252), (7063, 18688), (8072, 16352), (8176, 16144), (9344, 14126)]