408304624

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1453}}^1$

素因数の和:1674

約数の個数: 80

約数和(自身を含む): 979367872

約数和(自身を除く): 571063248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 193, 208, 364, 386, 728, 772, 1351, 1453, 1456, 1544, 2509, 2702, 2906, 3088, 5018, 5404, 5812, 10036, 10171, 10808, 11624, 17563, 18889, 20072, 20342, 21616, 23248, 35126, 37778, 40144, 40684, 70252, 75556, 81368, 132223, 140504, 151112, 162736, 264446, 280429, 281008, 302224, 528892, 560858, 1057784, 1121716, 1963003, 2115568, 2243432, 3645577, 3926006, 4486864, 7291154, 7852012, 14582308, 15704024, 25519039, 29164616, 31408048, 51038078, 58329232, 102076156, 204152312, 408304624]

約数ペア:

[(1, 408304624), (2, 204152312), (4, 102076156), (7, 58329232), (8, 51038078), (13, 31408048), (14, 29164616), (16, 25519039), (26, 15704024), (28, 14582308), (52, 7852012), (56, 7291154), (91, 4486864), (104, 3926006), (112, 3645577), (182, 2243432), (193, 2115568), (208, 1963003), (364, 1121716), (386, 1057784), (728, 560858), (772, 528892), (1351, 302224), (1453, 281008), (1456, 280429), (1544, 264446), (2509, 162736), (2702, 151112), (2906, 140504), (3088, 132223), (5018, 81368), (5404, 75556), (5812, 70252), (10036, 40684), (10171, 40144), (10808, 37778), (11624, 35126), (17563, 23248), (18889, 21616), (20072, 20342)]