256955364

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1627}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 671999328

約数和(自身を除く): 415043964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 107, 123, 164, 214, 246, 321, 369, 428, 492, 642, 738, 963, 1284, 1476, 1627, 1926, 3254, 3852, 4387, 4881, 6508, 8774, 9762, 13161, 14643, 17548, 19524, 26322, 29286, 39483, 52644, 58572, 66707, 78966, 133414, 157932, 174089, 200121, 266828, 348178, 400242, 522267, 600363, 696356, 800484, 1044534, 1200726, 1566801, 2089068, 2401452, 3133602, 6267204, 7137649, 14275298, 21412947, 28550596, 42825894, 64238841, 85651788, 128477682, 256955364]

約数ペア:

[(1, 256955364), (2, 128477682), (3, 85651788), (4, 64238841), (6, 42825894), (9, 28550596), (12, 21412947), (18, 14275298), (36, 7137649), (41, 6267204), (82, 3133602), (107, 2401452), (123, 2089068), (164, 1566801), (214, 1200726), (246, 1044534), (321, 800484), (369, 696356), (428, 600363), (492, 522267), (642, 400242), (738, 348178), (963, 266828), (1284, 200121), (1476, 174089), (1627, 157932), (1926, 133414), (3254, 78966), (3852, 66707), (4387, 58572), (4881, 52644), (6508, 39483), (8774, 29286), (9762, 26322), (13161, 19524), (14643, 17548)]