78716848

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 107699792

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 71, 76, 112, 133, 142, 152, 266, 284, 304, 497, 521, 532, 568, 994, 1042, 1064, 1136, 1349, 1988, 2084, 2128, 2698, 3647, 3976, 4168, 5396, 7294, 7952, 8336, 9443, 9899, 10792, 14588, 18886, 19798, 21584, 29176, 36991, 37772, 39596, 58352, 69293, 73982, 75544, 79192, 138586, 147964, 151088, 158384, 258937, 277172, 295928, 517874, 554344, 591856, 702829, 1035748, 1108688, 1405658, 2071496, 2811316, 4142992, 4919803, 5622632, 9839606, 11245264, 19679212, 39358424, 78716848]

約数ペア:

[(1, 78716848), (2, 39358424), (4, 19679212), (7, 11245264), (8, 9839606), (14, 5622632), (16, 4919803), (19, 4142992), (28, 2811316), (38, 2071496), (56, 1405658), (71, 1108688), (76, 1035748), (112, 702829), (133, 591856), (142, 554344), (152, 517874), (266, 295928), (284, 277172), (304, 258937), (497, 158384), (521, 151088), (532, 147964), (568, 138586), (994, 79192), (1042, 75544), (1064, 73982), (1136, 69293), (1349, 58352), (1988, 39596), (2084, 37772), (2128, 36991), (2698, 29176), (3647, 21584), (3976, 19798), (4168, 18886), (5396, 14588), (7294, 10792), (7952, 9899), (8336, 9443)]