81604432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 199487232

約数和(自身を除く): 117882800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 533, 574, 656, 728, 1066, 1148, 1367, 1456, 2132, 2296, 2734, 3731, 4264, 4592, 5468, 7462, 8528, 9569, 10936, 14924, 17771, 19138, 21872, 29848, 35542, 38276, 56047, 59696, 71084, 76552, 112094, 124397, 142168, 153104, 224188, 248794, 284336, 392329, 448376, 497588, 728611, 784658, 896752, 995176, 1457222, 1569316, 1990352, 2914444, 3138632, 5100277, 5828888, 6277264, 10200554, 11657776, 20401108, 40802216, 81604432]

約数ペア:

[(1, 81604432), (2, 40802216), (4, 20401108), (7, 11657776), (8, 10200554), (13, 6277264), (14, 5828888), (16, 5100277), (26, 3138632), (28, 2914444), (41, 1990352), (52, 1569316), (56, 1457222), (82, 995176), (91, 896752), (104, 784658), (112, 728611), (164, 497588), (182, 448376), (208, 392329), (287, 284336), (328, 248794), (364, 224188), (533, 153104), (574, 142168), (656, 124397), (728, 112094), (1066, 76552), (1148, 71084), (1367, 59696), (1456, 56047), (2132, 38276), (2296, 35542), (2734, 29848), (3731, 21872), (4264, 19138), (4592, 17771), (5468, 14924), (7462, 10936), (8528, 9569)]