81459376

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 180792000

約数和(自身を除く): 99332624

約数列:

[1, 2, 4, 8, 16, 17, 23, 29, 34, 46, 58, 68, 92, 116, 136, 184, 232, 272, 368, 391, 449, 464, 493, 667, 782, 898, 986, 1334, 1564, 1796, 1972, 2668, 3128, 3592, 3944, 5336, 6256, 7184, 7633, 7888, 10327, 10672, 11339, 13021, 15266, 20654, 22678, 26042, 30532, 41308, 45356, 52084, 61064, 82616, 90712, 104168, 122128, 165232, 175559, 181424, 208336, 221357, 299483, 351118, 442714, 598966, 702236, 885428, 1197932, 1404472, 1770856, 2395864, 2808944, 3541712, 4791728, 5091211, 10182422, 20364844, 40729688, 81459376]

約数ペア:

[(1, 81459376), (2, 40729688), (4, 20364844), (8, 10182422), (16, 5091211), (17, 4791728), (23, 3541712), (29, 2808944), (34, 2395864), (46, 1770856), (58, 1404472), (68, 1197932), (92, 885428), (116, 702236), (136, 598966), (184, 442714), (232, 351118), (272, 299483), (368, 221357), (391, 208336), (449, 181424), (464, 175559), (493, 165232), (667, 122128), (782, 104168), (898, 90712), (986, 82616), (1334, 61064), (1564, 52084), (1796, 45356), (1972, 41308), (2668, 30532), (3128, 26042), (3592, 22678), (3944, 20654), (5336, 15266), (6256, 13021), (7184, 11339), (7633, 10672), (7888, 10327)]