8399216

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3981

約数の個数: 40

約数和(自身を含む): 19582080

約数和(自身を除く): 11182864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 3947, 7894, 15788, 27629, 31576, 55258, 63152, 74993, 110516, 149986, 221032, 299972, 442064, 524951, 599944, 1049902, 1199888, 2099804, 4199608, 8399216]

約数ペア:

[(1, 8399216), (2, 4199608), (4, 2099804), (7, 1199888), (8, 1049902), (14, 599944), (16, 524951), (19, 442064), (28, 299972), (38, 221032), (56, 149986), (76, 110516), (112, 74993), (133, 63152), (152, 55258), (266, 31576), (304, 27629), (532, 15788), (1064, 7894), (2128, 3947)]