1491871472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{5309}}^1$

素因数の和:5530

約数の個数: 80

約数和(自身を含む): 3576646080

約数和(自身を除く): 2084774608

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, 1456, 1544, 2509, 2702, 3088, 5018, 5309, 5404, 10036, 10618, 10808, 17563, 20072, 21236, 21616, 35126, 37163, 40144, 42472, 69017, 70252, 74326, 84944, 138034, 140504, 148652, 276068, 281008, 297304, 483119, 552136, 594608, 966238, 1024637, 1104272, 1932476, 2049274, 3864952, 4098548, 7172459, 7729904, 8197096, 13320281, 14344918, 16394192, 26640562, 28689836, 53281124, 57379672, 93241967, 106562248, 114759344, 186483934, 213124496, 372967868, 745935736, 1491871472]

約数ペア:

[(1, 1491871472), (2, 745935736), (4, 372967868), (7, 213124496), (8, 186483934), (13, 114759344), (14, 106562248), (16, 93241967), (26, 57379672), (28, 53281124), (52, 28689836), (56, 26640562), (91, 16394192), (104, 14344918), (112, 13320281), (182, 8197096), (193, 7729904), (208, 7172459), (364, 4098548), (386, 3864952), (728, 2049274), (772, 1932476), (1351, 1104272), (1456, 1024637), (1544, 966238), (2509, 594608), (2702, 552136), (3088, 483119), (5018, 297304), (5309, 281008), (5404, 276068), (10036, 148652), (10618, 140504), (10808, 138034), (17563, 84944), (20072, 74326), (21236, 70252), (21616, 69017), (35126, 42472), (37163, 40144)]