256332564

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 660965760

約数和(自身を除く): 404633196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 193, 237, 316, 386, 467, 474, 579, 711, 772, 934, 948, 1158, 1401, 1422, 1737, 1868, 2316, 2802, 2844, 3474, 4203, 5604, 6948, 8406, 15247, 16812, 30494, 36893, 45741, 60988, 73786, 90131, 91482, 110679, 137223, 147572, 180262, 182964, 221358, 270393, 274446, 332037, 360524, 442716, 540786, 548892, 664074, 811179, 1081572, 1328148, 1622358, 3244716, 7120349, 14240698, 21361047, 28481396, 42722094, 64083141, 85444188, 128166282, 256332564]

約数ペア:

[(1, 256332564), (2, 128166282), (3, 85444188), (4, 64083141), (6, 42722094), (9, 28481396), (12, 21361047), (18, 14240698), (36, 7120349), (79, 3244716), (158, 1622358), (193, 1328148), (237, 1081572), (316, 811179), (386, 664074), (467, 548892), (474, 540786), (579, 442716), (711, 360524), (772, 332037), (934, 274446), (948, 270393), (1158, 221358), (1401, 182964), (1422, 180262), (1737, 147572), (1868, 137223), (2316, 110679), (2802, 91482), (2844, 90131), (3474, 73786), (4203, 60988), (5604, 45741), (6948, 36893), (8406, 30494), (15247, 16812)]