69993728

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 161394240

約数和(自身を除く): 91400512

約数列:

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

約数ペア:

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