15930838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 31850496

約数和(自身を除く): 15919658

約数列:

[1, 2, 7, 11, 14, 22, 31, 47, 62, 71, 77, 94, 142, 154, 217, 329, 341, 434, 497, 517, 658, 682, 781, 994, 1034, 1457, 1562, 2201, 2387, 2914, 3337, 3619, 4402, 4774, 5467, 6674, 7238, 10199, 10934, 15407, 16027, 20398, 23359, 24211, 30814, 32054, 36707, 46718, 48422, 73414, 103447, 112189, 169477, 206894, 224378, 256949, 338954, 513898, 724129, 1137917, 1448258, 2275834, 7965419, 15930838]

約数ペア:

[(1, 15930838), (2, 7965419), (7, 2275834), (11, 1448258), (14, 1137917), (22, 724129), (31, 513898), (47, 338954), (62, 256949), (71, 224378), (77, 206894), (94, 169477), (142, 112189), (154, 103447), (217, 73414), (329, 48422), (341, 46718), (434, 36707), (497, 32054), (517, 30814), (658, 24211), (682, 23359), (781, 20398), (994, 16027), (1034, 15407), (1457, 10934), (1562, 10199), (2201, 7238), (2387, 6674), (2914, 5467), (3337, 4774), (3619, 4402)]