1385552

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 40

約数和(自身を含む): 3124800

約数和(自身を除く): 1739248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 139, 178, 278, 356, 556, 623, 712, 973, 1112, 1246, 1424, 1946, 2224, 2492, 3892, 4984, 7784, 9968, 12371, 15568, 24742, 49484, 86597, 98968, 173194, 197936, 346388, 692776, 1385552]

約数ペア:

[(1, 1385552), (2, 692776), (4, 346388), (7, 197936), (8, 173194), (14, 98968), (16, 86597), (28, 49484), (56, 24742), (89, 15568), (112, 12371), (139, 9968), (178, 7784), (278, 4984), (356, 3892), (556, 2492), (623, 2224), (712, 1946), (973, 1424), (1112, 1246)]