398400128

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6091}}^1$

素因数の和:6185

約数の個数: 64

約数和(自身を含む): 919648320

約数和(自身を除く): 521248192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 448, 511, 584, 896, 1022, 1168, 2044, 2336, 4088, 4672, 6091, 8176, 9344, 12182, 16352, 24364, 32704, 42637, 48728, 65408, 85274, 97456, 170548, 194912, 341096, 389824, 444643, 682192, 779648, 889286, 1364384, 1778572, 2728768, 3112501, 3557144, 5457536, 6225002, 7114288, 12450004, 14228576, 24900008, 28457152, 49800016, 56914304, 99600032, 199200064, 398400128]

約数ペア:

[(1, 398400128), (2, 199200064), (4, 99600032), (7, 56914304), (8, 49800016), (14, 28457152), (16, 24900008), (28, 14228576), (32, 12450004), (56, 7114288), (64, 6225002), (73, 5457536), (112, 3557144), (128, 3112501), (146, 2728768), (224, 1778572), (292, 1364384), (448, 889286), (511, 779648), (584, 682192), (896, 444643), (1022, 389824), (1168, 341096), (2044, 194912), (2336, 170548), (4088, 97456), (4672, 85274), (6091, 65408), (8176, 48728), (9344, 42637), (12182, 32704), (16352, 24364)]