221424434

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 432298944

約数和(自身を除く): 210874510

約数列:

[1, 2, 7, 11, 14, 22, 49, 71, 77, 98, 121, 142, 154, 242, 263, 497, 526, 539, 781, 847, 994, 1078, 1562, 1694, 1841, 2893, 3479, 3682, 5467, 5786, 5929, 6958, 8591, 10934, 11858, 12887, 17182, 18673, 20251, 25774, 31823, 37346, 38269, 40502, 60137, 63646, 76538, 120274, 130711, 141757, 205403, 222761, 261422, 283514, 410806, 420959, 445522, 841918, 914977, 1437821, 1559327, 1829954, 2259433, 2875642, 3118654, 4518866, 10064747, 15816031, 20129494, 31632062, 110712217, 221424434]

約数ペア:

[(1, 221424434), (2, 110712217), (7, 31632062), (11, 20129494), (14, 15816031), (22, 10064747), (49, 4518866), (71, 3118654), (77, 2875642), (98, 2259433), (121, 1829954), (142, 1559327), (154, 1437821), (242, 914977), (263, 841918), (497, 445522), (526, 420959), (539, 410806), (781, 283514), (847, 261422), (994, 222761), (1078, 205403), (1562, 141757), (1694, 130711), (1841, 120274), (2893, 76538), (3479, 63646), (3682, 60137), (5467, 40502), (5786, 38269), (5929, 37346), (6958, 31823), (8591, 25774), (10934, 20251), (11858, 18673), (12887, 17182)]