319833416

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 699943680

約数和(自身を除く): 380110264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 257, 284, 313, 497, 514, 568, 626, 994, 1028, 1252, 1799, 1988, 2056, 2191, 2504, 3598, 3976, 4382, 7196, 8764, 14392, 17528, 18247, 22223, 36494, 44446, 72988, 80441, 88892, 127729, 145976, 155561, 160882, 177784, 255458, 311122, 321764, 510916, 563087, 622244, 643528, 1021832, 1126174, 1244488, 2252348, 4504696, 5711311, 11422622, 22845244, 39979177, 45690488, 79958354, 159916708, 319833416]

約数ペア:

[(1, 319833416), (2, 159916708), (4, 79958354), (7, 45690488), (8, 39979177), (14, 22845244), (28, 11422622), (56, 5711311), (71, 4504696), (142, 2252348), (257, 1244488), (284, 1126174), (313, 1021832), (497, 643528), (514, 622244), (568, 563087), (626, 510916), (994, 321764), (1028, 311122), (1252, 255458), (1799, 177784), (1988, 160882), (2056, 155561), (2191, 145976), (2504, 127729), (3598, 88892), (3976, 80441), (4382, 72988), (7196, 44446), (8764, 36494), (14392, 22223), (17528, 18247)]