7721728

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 18314240

約数和(自身を除く): 10592512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 139, 217, 224, 248, 256, 278, 434, 448, 496, 556, 868, 896, 973, 992, 1112, 1736, 1792, 1946, 1984, 2224, 3472, 3892, 3968, 4309, 4448, 6944, 7784, 7936, 8618, 8896, 13888, 15568, 17236, 17792, 27776, 30163, 31136, 34472, 35584, 55552, 60326, 62272, 68944, 120652, 124544, 137888, 241304, 249088, 275776, 482608, 551552, 965216, 1103104, 1930432, 3860864, 7721728]

約数ペア:

[(1, 7721728), (2, 3860864), (4, 1930432), (7, 1103104), (8, 965216), (14, 551552), (16, 482608), (28, 275776), (31, 249088), (32, 241304), (56, 137888), (62, 124544), (64, 120652), (112, 68944), (124, 62272), (128, 60326), (139, 55552), (217, 35584), (224, 34472), (248, 31136), (256, 30163), (278, 27776), (434, 17792), (448, 17236), (496, 15568), (556, 13888), (868, 8896), (896, 8618), (973, 7936), (992, 7784), (1112, 6944), (1736, 4448), (1792, 4309), (1946, 3968), (1984, 3892), (2224, 3472)]