255931648

素因数分解:

$2^8\times 7^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:843

約数の個数: 72

約数和(自身を含む): 587200320

約数和(自身を除く): 331268672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 251, 256, 448, 502, 569, 896, 1004, 1138, 1757, 1792, 2008, 2276, 3514, 3983, 4016, 4552, 7028, 7966, 8032, 9104, 14056, 15932, 16064, 18208, 28112, 31864, 32128, 36416, 56224, 63728, 64256, 72832, 112448, 127456, 142819, 145664, 224896, 254912, 285638, 449792, 509824, 571276, 999733, 1019648, 1142552, 1999466, 2285104, 3998932, 4570208, 7997864, 9140416, 15995728, 18280832, 31991456, 36561664, 63982912, 127965824, 255931648]

約数ペア:

[(1, 255931648), (2, 127965824), (4, 63982912), (7, 36561664), (8, 31991456), (14, 18280832), (16, 15995728), (28, 9140416), (32, 7997864), (56, 4570208), (64, 3998932), (112, 2285104), (128, 1999466), (224, 1142552), (251, 1019648), (256, 999733), (448, 571276), (502, 509824), (569, 449792), (896, 285638), (1004, 254912), (1138, 224896), (1757, 145664), (1792, 142819), (2008, 127456), (2276, 112448), (3514, 72832), (3983, 64256), (4016, 63728), (4552, 56224), (7028, 36416), (7966, 32128), (8032, 31864), (9104, 28112), (14056, 18208), (15932, 16064)]