256859904

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{47779}}^1$

素因数の和:47805

約数の個数: 72

約数和(自身を含む): 781298560

約数和(自身を除く): 524438656

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 47779, 95558, 143337, 191116, 286674, 334453, 382232, 573348, 668906, 764464, 1003359, 1146696, 1337812, 1528928, 2006718, 2293392, 2675624, 3057856, 4013436, 4586784, 5351248, 6115712, 8026872, 9173568, 10702496, 12231424, 16053744, 18347136, 21404992, 32107488, 36694272, 42809984, 64214976, 85619968, 128429952, 256859904]

約数ペア:

[(1, 256859904), (2, 128429952), (3, 85619968), (4, 64214976), (6, 42809984), (7, 36694272), (8, 32107488), (12, 21404992), (14, 18347136), (16, 16053744), (21, 12231424), (24, 10702496), (28, 9173568), (32, 8026872), (42, 6115712), (48, 5351248), (56, 4586784), (64, 4013436), (84, 3057856), (96, 2675624), (112, 2293392), (128, 2006718), (168, 1528928), (192, 1337812), (224, 1146696), (256, 1003359), (336, 764464), (384, 668906), (448, 573348), (672, 382232), (768, 334453), (896, 286674), (1344, 191116), (1792, 143337), (2688, 95558), (5376, 47779)]