816331432

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 1935360000

約数和(自身を除く): 1119028568

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 139, 199, 217, 238, 248, 278, 398, 434, 476, 527, 556, 796, 868, 952, 973, 1054, 1112, 1393, 1592, 1736, 1946, 2108, 2363, 2786, 3383, 3689, 3892, 4216, 4309, 4726, 5572, 6169, 6766, 7378, 7784, 8618, 9452, 11144, 12338, 13532, 14756, 16541, 17236, 18904, 23681, 24676, 27064, 27661, 29512, 30163, 33082, 34472, 43183, 47362, 49352, 55322, 60326, 66164, 73253, 86366, 94724, 104873, 110644, 120652, 132328, 146506, 172732, 189448, 193627, 209746, 221288, 241304, 293012, 345464, 387254, 419492, 470237, 512771, 586024, 734111, 774508, 838984, 857491, 940474, 1025542, 1468222, 1549016, 1714982, 1880948, 2051084, 2936444, 3291659, 3429964, 3761896, 4102168, 5872888, 6002437, 6583318, 6859928, 12004874, 13166636, 14577347, 24009748, 26333272, 29154694, 48019496, 58309388, 102041429, 116618776, 204082858, 408165716, 816331432]

約数ペア:

[(1, 816331432), (2, 408165716), (4, 204082858), (7, 116618776), (8, 102041429), (14, 58309388), (17, 48019496), (28, 29154694), (31, 26333272), (34, 24009748), (56, 14577347), (62, 13166636), (68, 12004874), (119, 6859928), (124, 6583318), (136, 6002437), (139, 5872888), (199, 4102168), (217, 3761896), (238, 3429964), (248, 3291659), (278, 2936444), (398, 2051084), (434, 1880948), (476, 1714982), (527, 1549016), (556, 1468222), (796, 1025542), (868, 940474), (952, 857491), (973, 838984), (1054, 774508), (1112, 734111), (1393, 586024), (1592, 512771), (1736, 470237), (1946, 419492), (2108, 387254), (2363, 345464), (2786, 293012), (3383, 241304), (3689, 221288), (3892, 209746), (4216, 193627), (4309, 189448), (4726, 172732), (5572, 146506), (6169, 132328), (6766, 120652), (7378, 110644), (7784, 104873), (8618, 94724), (9452, 86366), (11144, 73253), (12338, 66164), (13532, 60326), (14756, 55322), (16541, 49352), (17236, 47362), (18904, 43183), (23681, 34472), (24676, 33082), (27064, 30163), (27661, 29512)]