123638128

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:841

約数の個数: 40

約数和(自身を含む): 244390608

約数和(自身を除く): 120752480

約数列:

[1, 2, 4, 8, 16, 83, 157, 166, 314, 332, 593, 628, 664, 1186, 1256, 1328, 2372, 2512, 4744, 9488, 13031, 26062, 49219, 52124, 93101, 98438, 104248, 186202, 196876, 208496, 372404, 393752, 744808, 787504, 1489616, 7727383, 15454766, 30909532, 61819064, 123638128]

約数ペア:

[(1, 123638128), (2, 61819064), (4, 30909532), (8, 15454766), (16, 7727383), (83, 1489616), (157, 787504), (166, 744808), (314, 393752), (332, 372404), (593, 208496), (628, 196876), (664, 186202), (1186, 104248), (1256, 98438), (1328, 93101), (2372, 52124), (2512, 49219), (4744, 26062), (9488, 13031)]