16664368

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 39997440

約数和(自身を除く): 23333072

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 191, 266, 287, 304, 328, 382, 532, 574, 656, 764, 779, 1064, 1148, 1337, 1528, 1558, 2128, 2296, 2674, 3056, 3116, 3629, 4592, 5348, 5453, 6232, 7258, 7831, 10696, 10906, 12464, 14516, 15662, 21392, 21812, 25403, 29032, 31324, 43624, 50806, 54817, 58064, 62648, 87248, 101612, 109634, 125296, 148789, 203224, 219268, 297578, 406448, 438536, 595156, 877072, 1041523, 1190312, 2083046, 2380624, 4166092, 8332184, 16664368]

約数ペア:

[(1, 16664368), (2, 8332184), (4, 4166092), (7, 2380624), (8, 2083046), (14, 1190312), (16, 1041523), (19, 877072), (28, 595156), (38, 438536), (41, 406448), (56, 297578), (76, 219268), (82, 203224), (112, 148789), (133, 125296), (152, 109634), (164, 101612), (191, 87248), (266, 62648), (287, 58064), (304, 54817), (328, 50806), (382, 43624), (532, 31324), (574, 29032), (656, 25403), (764, 21812), (779, 21392), (1064, 15662), (1148, 14516), (1337, 12464), (1528, 10906), (1558, 10696), (2128, 7831), (2296, 7258), (2674, 6232), (3056, 5453), (3116, 5348), (3629, 4592)]