197655808

素因数分解:

$2^8\times 7^3\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 72

約数和(自身を含む): 460308800

約数和(自身を除く): 262652992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2251, 2744, 3136, 4502, 5488, 6272, 9004, 10976, 12544, 15757, 18008, 21952, 31514, 36016, 43904, 63028, 72032, 87808, 110299, 126056, 144064, 220598, 252112, 288128, 441196, 504224, 576256, 772093, 882392, 1008448, 1544186, 1764784, 2016896, 3088372, 3529568, 4033792, 6176744, 7059136, 12353488, 14118272, 24706976, 28236544, 49413952, 98827904, 197655808]

約数ペア:

[(1, 197655808), (2, 98827904), (4, 49413952), (7, 28236544), (8, 24706976), (14, 14118272), (16, 12353488), (28, 7059136), (32, 6176744), (49, 4033792), (56, 3529568), (64, 3088372), (98, 2016896), (112, 1764784), (128, 1544186), (196, 1008448), (224, 882392), (256, 772093), (343, 576256), (392, 504224), (448, 441196), (686, 288128), (784, 252112), (896, 220598), (1372, 144064), (1568, 126056), (1792, 110299), (2251, 87808), (2744, 72032), (3136, 63028), (4502, 43904), (5488, 36016), (6272, 31514), (9004, 21952), (10976, 18008), (12544, 15757)]