123915448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 256374720

約数和(自身を除く): 132459272

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 71, 82, 136, 142, 164, 284, 313, 328, 568, 626, 697, 1207, 1252, 1394, 2414, 2504, 2788, 2911, 4828, 5321, 5576, 5822, 9656, 10642, 11644, 12833, 21284, 22223, 23288, 25666, 42568, 44446, 49487, 51332, 88892, 98974, 102664, 177784, 197948, 218161, 377791, 395896, 436322, 755582, 872644, 911143, 1511164, 1745288, 1822286, 3022328, 3644572, 7289144, 15489431, 30978862, 61957724, 123915448]

約数ペア:

[(1, 123915448), (2, 61957724), (4, 30978862), (8, 15489431), (17, 7289144), (34, 3644572), (41, 3022328), (68, 1822286), (71, 1745288), (82, 1511164), (136, 911143), (142, 872644), (164, 755582), (284, 436322), (313, 395896), (328, 377791), (568, 218161), (626, 197948), (697, 177784), (1207, 102664), (1252, 98974), (1394, 88892), (2414, 51332), (2504, 49487), (2788, 44446), (2911, 42568), (4828, 25666), (5321, 23288), (5576, 22223), (5822, 21284), (9656, 12833), (10642, 11644)]