28680204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 76756736

約数和(自身を除く): 48076532

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 421, 811, 842, 1263, 1622, 1684, 2433, 2526, 2947, 3244, 4866, 5052, 5677, 5894, 8841, 9732, 11354, 11788, 17031, 17682, 22708, 34062, 35364, 68124, 341431, 682862, 1024293, 1365724, 2048586, 2390017, 4097172, 4780034, 7170051, 9560068, 14340102, 28680204]

約数ペア:

[(1, 28680204), (2, 14340102), (3, 9560068), (4, 7170051), (6, 4780034), (7, 4097172), (12, 2390017), (14, 2048586), (21, 1365724), (28, 1024293), (42, 682862), (84, 341431), (421, 68124), (811, 35364), (842, 34062), (1263, 22708), (1622, 17682), (1684, 17031), (2433, 11788), (2526, 11354), (2947, 9732), (3244, 8841), (4866, 5894), (5052, 5677)]