257939808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{383839}}^1$

素因数の和:383859

約数の個数: 48

約数和(自身を含む): 773821440

約数和(自身を除く): 515881632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 383839, 767678, 1151517, 1535356, 2303034, 2686873, 3070712, 4606068, 5373746, 6141424, 8060619, 9212136, 10747492, 12282848, 16121238, 18424272, 21494984, 32242476, 36848544, 42989968, 64484952, 85979936, 128969904, 257939808]

約数ペア:

[(1, 257939808), (2, 128969904), (3, 85979936), (4, 64484952), (6, 42989968), (7, 36848544), (8, 32242476), (12, 21494984), (14, 18424272), (16, 16121238), (21, 12282848), (24, 10747492), (28, 9212136), (32, 8060619), (42, 6141424), (48, 5373746), (56, 4606068), (84, 3070712), (96, 2686873), (112, 2303034), (168, 1535356), (224, 1151517), (336, 767678), (672, 383839)]