256400004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3052381}}^1$

素因数の和:3052395

約数の個数: 24

約数和(自身を含む): 683733568

約数和(自身を除く): 427333564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3052381, 6104762, 9157143, 12209524, 18314286, 21366667, 36628572, 42733334, 64100001, 85466668, 128200002, 256400004]

約数ペア:

[(1, 256400004), (2, 128200002), (3, 85466668), (4, 64100001), (6, 42733334), (7, 36628572), (12, 21366667), (14, 18314286), (21, 12209524), (28, 9157143), (42, 6104762), (84, 3052381)]