255222016

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 590503424

約数和(自身を除く): 335281408

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, 1022, 1168, 1792, 1951, 2044, 2336, 3902, 4088, 4672, 7804, 8176, 9344, 13657, 15608, 16352, 18688, 27314, 31216, 32704, 54628, 62432, 65408, 109256, 124864, 130816, 142423, 218512, 249728, 284846, 437024, 499456, 569692, 874048, 996961, 1139384, 1748096, 1993922, 2278768, 3496192, 3987844, 4557536, 7975688, 9115072, 15951376, 18230144, 31902752, 36460288, 63805504, 127611008, 255222016]

約数ペア:

[(1, 255222016), (2, 127611008), (4, 63805504), (7, 36460288), (8, 31902752), (14, 18230144), (16, 15951376), (28, 9115072), (32, 7975688), (56, 4557536), (64, 3987844), (73, 3496192), (112, 2278768), (128, 1993922), (146, 1748096), (224, 1139384), (256, 996961), (292, 874048), (448, 569692), (511, 499456), (584, 437024), (896, 284846), (1022, 249728), (1168, 218512), (1792, 142423), (1951, 130816), (2044, 124864), (2336, 109256), (3902, 65408), (4088, 62432), (4672, 54628), (7804, 32704), (8176, 31216), (9344, 27314), (13657, 18688), (15608, 16352)]