212206211

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 265574400

約数和(自身を除く): 53368189

約数列:

[1, 7, 23, 37, 49, 161, 259, 343, 727, 851, 1127, 1813, 5089, 5957, 7889, 12691, 16721, 26899, 35623, 41699, 117047, 188293, 249361, 291893, 618677, 819329, 1318051, 4330739, 5735303, 9226357, 30315173, 212206211]

約数ペア:

[(1, 212206211), (7, 30315173), (23, 9226357), (37, 5735303), (49, 4330739), (161, 1318051), (259, 819329), (343, 618677), (727, 291893), (851, 249361), (1127, 188293), (1813, 117047), (5089, 41699), (5957, 35623), (7889, 26899), (12691, 16721)]