128807368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{11411}}^1$

素因数の和:11517

約数の個数: 32

約数和(自身を含む): 258824160

約数和(自身を除く): 130016792

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 2822, 5644, 11288, 11411, 22822, 45644, 91288, 193987, 387974, 775948, 947113, 1551896, 1894226, 3788452, 7576904, 16100921, 32201842, 64403684, 128807368]

約数ペア:

[(1, 128807368), (2, 64403684), (4, 32201842), (8, 16100921), (17, 7576904), (34, 3788452), (68, 1894226), (83, 1551896), (136, 947113), (166, 775948), (332, 387974), (664, 193987), (1411, 91288), (2822, 45644), (5644, 22822), (11288, 11411)]