205986242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 192144958

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 149, 154, 191, 298, 329, 382, 517, 658, 1034, 1043, 1337, 1639, 2086, 2101, 2674, 3278, 3619, 4202, 7003, 7238, 8977, 11473, 14006, 14707, 17954, 22946, 28459, 29414, 49021, 56918, 62839, 77033, 98042, 98747, 125678, 154066, 197494, 199213, 313049, 398426, 539231, 626098, 691229, 1078462, 1337573, 1382458, 2191343, 2675146, 4382686, 9363011, 14713303, 18726022, 29426606, 102993121, 205986242]

約数ペア:

[(1, 205986242), (2, 102993121), (7, 29426606), (11, 18726022), (14, 14713303), (22, 9363011), (47, 4382686), (77, 2675146), (94, 2191343), (149, 1382458), (154, 1337573), (191, 1078462), (298, 691229), (329, 626098), (382, 539231), (517, 398426), (658, 313049), (1034, 199213), (1043, 197494), (1337, 154066), (1639, 125678), (2086, 98747), (2101, 98042), (2674, 77033), (3278, 62839), (3619, 56918), (4202, 49021), (7003, 29414), (7238, 28459), (8977, 22946), (11473, 17954), (14006, 14707)]