16863938

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 33331200

約数和(自身を除く): 16467262

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 61, 62, 91, 98, 122, 182, 217, 343, 403, 427, 434, 637, 686, 793, 806, 854, 1274, 1519, 1586, 1891, 2821, 2989, 3038, 3782, 4459, 5551, 5642, 5978, 8918, 10633, 11102, 13237, 19747, 20923, 21266, 24583, 26474, 38857, 39494, 41846, 49166, 77714, 92659, 138229, 172081, 185318, 271999, 276458, 344162, 543998, 648613, 1204567, 1297226, 2409134, 8431969, 16863938]

約数ペア:

[(1, 16863938), (2, 8431969), (7, 2409134), (13, 1297226), (14, 1204567), (26, 648613), (31, 543998), (49, 344162), (61, 276458), (62, 271999), (91, 185318), (98, 172081), (122, 138229), (182, 92659), (217, 77714), (343, 49166), (403, 41846), (427, 39494), (434, 38857), (637, 26474), (686, 24583), (793, 21266), (806, 20923), (854, 19747), (1274, 13237), (1519, 11102), (1586, 10633), (1891, 8918), (2821, 5978), (2989, 5642), (3038, 5551), (3782, 4459)]