139987456

素因数分解:

$2^9\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 323104320

約数和(自身を除く): 183116864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 281, 448, 512, 556, 562, 896, 973, 1112, 1124, 1792, 1946, 1967, 2224, 2248, 3584, 3892, 3934, 4448, 4496, 7784, 7868, 8896, 8992, 15568, 15736, 17792, 17984, 31136, 31472, 35584, 35968, 39059, 62272, 62944, 71168, 71936, 78118, 124544, 125888, 143872, 156236, 249088, 251776, 273413, 312472, 498176, 503552, 546826, 624944, 1007104, 1093652, 1249888, 2187304, 2499776, 4374608, 4999552, 8749216, 9999104, 17498432, 19998208, 34996864, 69993728, 139987456]

約数ペア:

[(1, 139987456), (2, 69993728), (4, 34996864), (7, 19998208), (8, 17498432), (14, 9999104), (16, 8749216), (28, 4999552), (32, 4374608), (56, 2499776), (64, 2187304), (112, 1249888), (128, 1093652), (139, 1007104), (224, 624944), (256, 546826), (278, 503552), (281, 498176), (448, 312472), (512, 273413), (556, 251776), (562, 249088), (896, 156236), (973, 143872), (1112, 125888), (1124, 124544), (1792, 78118), (1946, 71936), (1967, 71168), (2224, 62944), (2248, 62272), (3584, 39059), (3892, 35968), (3934, 35584), (4448, 31472), (4496, 31136), (7784, 17984), (7868, 17792), (8896, 15736), (8992, 15568)]