256561712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 579189120

約数和(自身を除く): 322627408

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 73, 76, 88, 146, 152, 176, 209, 292, 304, 418, 584, 803, 836, 1051, 1168, 1387, 1606, 1672, 2102, 2774, 3212, 3344, 4204, 5548, 6424, 8408, 11096, 11561, 12848, 15257, 16816, 19969, 22192, 23122, 30514, 39938, 46244, 61028, 76723, 79876, 92488, 122056, 153446, 159752, 184976, 219659, 244112, 306892, 319504, 439318, 613784, 843953, 878636, 1227568, 1457737, 1687906, 1757272, 2915474, 3375812, 3514544, 5830948, 6751624, 11661896, 13503248, 16035107, 23323792, 32070214, 64140428, 128280856, 256561712]

約数ペア:

[(1, 256561712), (2, 128280856), (4, 64140428), (8, 32070214), (11, 23323792), (16, 16035107), (19, 13503248), (22, 11661896), (38, 6751624), (44, 5830948), (73, 3514544), (76, 3375812), (88, 2915474), (146, 1757272), (152, 1687906), (176, 1457737), (209, 1227568), (292, 878636), (304, 843953), (418, 613784), (584, 439318), (803, 319504), (836, 306892), (1051, 244112), (1168, 219659), (1387, 184976), (1606, 159752), (1672, 153446), (2102, 122056), (2774, 92488), (3212, 79876), (3344, 76723), (4204, 61028), (5548, 46244), (6424, 39938), (8408, 30514), (11096, 23122), (11561, 22192), (12848, 19969), (15257, 16816)]