211778294

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 72

約数和(自身を含む): 421829640

約数和(自身を除く): 210051346

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 169, 182, 247, 266, 338, 494, 637, 673, 931, 1183, 1274, 1346, 1729, 1862, 2366, 3211, 3458, 4711, 6422, 8281, 8749, 9422, 12103, 12787, 16562, 17498, 22477, 24206, 25574, 32977, 44954, 61243, 65954, 89509, 113737, 122486, 157339, 166231, 179018, 227474, 314678, 332462, 428701, 626563, 796159, 857402, 1163617, 1253126, 1592318, 2161003, 2327234, 4322006, 5573113, 8145319, 11146226, 15127021, 16290638, 30254042, 105889147, 211778294]

約数ペア:

[(1, 211778294), (2, 105889147), (7, 30254042), (13, 16290638), (14, 15127021), (19, 11146226), (26, 8145319), (38, 5573113), (49, 4322006), (91, 2327234), (98, 2161003), (133, 1592318), (169, 1253126), (182, 1163617), (247, 857402), (266, 796159), (338, 626563), (494, 428701), (637, 332462), (673, 314678), (931, 227474), (1183, 179018), (1274, 166231), (1346, 157339), (1729, 122486), (1862, 113737), (2366, 89509), (3211, 65954), (3458, 61243), (4711, 44954), (6422, 32977), (8281, 25574), (8749, 24206), (9422, 22477), (12103, 17498), (12787, 16562)]