81550252

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 86100308

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 179, 212, 307, 358, 371, 614, 716, 742, 1228, 1253, 1484, 2149, 2506, 4298, 5012, 8596, 9487, 16271, 18974, 32542, 37948, 54953, 65084, 66409, 109906, 113897, 132818, 219812, 227794, 265636, 384671, 455588, 769342, 1538684, 2912509, 5825018, 11650036, 20387563, 40775126, 81550252]

約数ペア:

[(1, 81550252), (2, 40775126), (4, 20387563), (7, 11650036), (14, 5825018), (28, 2912509), (53, 1538684), (106, 769342), (179, 455588), (212, 384671), (307, 265636), (358, 227794), (371, 219812), (614, 132818), (716, 113897), (742, 109906), (1228, 66409), (1253, 65084), (1484, 54953), (2149, 37948), (2506, 32542), (4298, 18974), (5012, 16271), (8596, 9487)]