209470534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 403587072

約数和(自身を除く): 194116538

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 137, 182, 217, 271, 274, 403, 434, 542, 806, 959, 1781, 1897, 1918, 2821, 3523, 3562, 3794, 4247, 5642, 7046, 8401, 8494, 12467, 16802, 24661, 24934, 29729, 37127, 49322, 55211, 58807, 59458, 74254, 109213, 110422, 117614, 218426, 259889, 386477, 482651, 519778, 764491, 772954, 965302, 1150937, 1528982, 2301874, 3378557, 6757114, 8056559, 14962181, 16113118, 29924362, 104735267, 209470534]

約数ペア:

[(1, 209470534), (2, 104735267), (7, 29924362), (13, 16113118), (14, 14962181), (26, 8056559), (31, 6757114), (62, 3378557), (91, 2301874), (137, 1528982), (182, 1150937), (217, 965302), (271, 772954), (274, 764491), (403, 519778), (434, 482651), (542, 386477), (806, 259889), (959, 218426), (1781, 117614), (1897, 110422), (1918, 109213), (2821, 74254), (3523, 59458), (3562, 58807), (3794, 55211), (4247, 49322), (5642, 37127), (7046, 29729), (8401, 24934), (8494, 24661), (12467, 16802)]